The germination of garden culture depends on the quality of the soil, and its taste. Such a parameter as acidity is of great importance. Consider what it is and how to measure and adjust the level of soil acidity.

Acidness is a parameter that is responsible for the ability of soils to show the properties of acids. In other words, acidity affects the period of decay of beneficial minerals, fertilizers and oxidation of plant roots.

The oxidation of the roots is a very detrimental process, firstly, it harms the root system itself, secondly, the roots absorb acid inside the stem, which in turn leads to the fading of the plant or slow development. In addition, plant fruits may have a pronounced sour taste.

Measure acidity in two parameters:

• absolute
• potential.

Absolute acidity is the ratio of hydrogen ions and ion hydroxide, it is measured in the pH. In the neutral medium, these ions in any test solution equally, but if hydrogen ions are greater, it indicates the presence of an acidic environment. The pH level directly characterizes the acidity of the soil.

Potential acidity is measured by introducing additional ions into a solution that show a certain progression of acidity development. This parameter is necessary in order to draw conclusions about soils that are planned to be used throughout the long period of time. If there is a tendency to permanent soil oxidation, it means that it is necessary to intervene in the process and make certain supplements for the soil (the studies are relevant for farms, where the area being processed is sufficiently large and the decrease in acidity will cost a sufficiently large amount).

On the other hand, to do completely neutral or, on the contrary, alkaline ground, too, it is also impossible. Of course, excess acidity harms plants, but its moderate indicator contributes to the normal decay process and the absorption of useful trace elements. Purely alkaline soils will not kill the plant, but will make it the fruit of poisonous, rich salts and heavy metals. Neutral soils are characterized by slow development of plants.

Continuing the topic of acidity types should be mentioned another one. The hydrolytic acidity of the soil, if not too much to go into the chemistry of the process, indicates which environment the water acquires after interaction with the soil. In practice, this means that at high hydrolytic acidity on the roots of plants, a more acidic medium is affected than pH of the soil. The process is more interesting for chemists than farmers, since economic activity It affects rice exclusively.

Types of soil acidity

The soil acidity table gives the following distinction in accordance with the PH level:

• 14 and above - the most alkaline,
• 10-13 - strongly alkaline,
• 9 - alkaline,
• 8 - weakly,
• 7 - neutral,
• 6 - weakness,
• 5 - sour,
• 4 - 2 strongly sour,
• 1 - the most sour.

Strongly alkaline and alkaline soils are suitable only for the growing herbs and cereals. But such nutrition is likely to have a negative impact on the taste of meat and milk.

Low-alkaline soils are ideal for sunflower, cannabis, sugar beet, alfalfa and most types of cereals.

Neutral soils are suitable for legume crops. At the same time do not forget about the fertilizers.

Weakly acidic and acidic soils are ideal for most vegetables. With this type of soil, even the minimum number of fertilizers will be enough for a good plant bushes. The same soils are ideal for most types of colors (except tropical).

The only culture that loves and can grow only in very acidic soils is a tea bush.

Thus, the determination of soil acidity clearly shows the quality of the soil and its suitability for disembarking of certain crops. Naturally, it is only one of the large number of parameters, but it is most important.

How to find out the acidity of soil

As we found out, the pH level is very an important indicatorwhich must be kept under control. In order to determine the type of acidity at home:

• special device
• indicator paper
• example.

The instrument for determining the level of acidity is called the "soil acidity meter". The most famous model "ICP - Delta", but today there are many other options. The device of the device is sufficient:

• tube-probe,
• charged cathodes
• trap
• box,
• interface.

The probe is lowered for one minute to the soil so that the codes can enter into a kind of electrolysis reaction, due to which the trap compare the number of hydrogen ions and the ion hydroxide and will derive the result to the interface. Thus, the device measures the absolute pH.

Excellent Soil Acid Indicator - Lacmus Paper. It is freely sold on the Internet, specialized chemical stores or, as a last resort, from any chemistry teacher. As a rule, the label is indicated on the box, but if not, the distribution of colors are as follows:

• from bright red to yellowish - acidic soil (the brighter the red color, that acid is soil),
• from greenish to dark blue - alkaline (the closer to dark blue, the more alkali).

In order to carry out experience, it is enough to take a hassle of the earth (from a depth of 3-6 cm) and breed it with water. The ratio of 1: 2.5 for ordinary soils and 1:25 - for peat. Next, a glass or wooden wand must be dissolved with the ground and then omit the indicator. It is painted in a few seconds. The only drawback of this method is difficult to see the exact pH level.

If the acidity level needs to know only approximately (for growing colors or utility farm), then it is enough to hold an elementary experiment:

• take a hassle of land from the surface and from a depth of 5-6 cm,
• mix,
• purchase on a wooden or glass surface,
• pour one tablespoon of ordinary vinegar from above.

The results are manifested in three types:

• lack of reaction
• weak hissing and appearance of bubbles,
• strong hissing and bubble of soil.

The lack of reaction means that there are already a lot of acid in the ground, such a soil must be enriched with alkali-containing substances.

Weak hissing or appearance of small bubbles indicates a neutral soil or with a minor amount of alkalis.

Strong hissing - the result of the reaction of vinegar and alkali. This means that the soil needs to oxidize.

A peculiar variation of this experiment is the use of grape juice. It is necessary to dial the floor of a glass of juice and throw a small lump of the earth there. If the color has changed, and bubbles appeared on the surface, it means in the soil there is an alkali (the same and in relation to lemon juice And acidic milk, but the concentration should be greater. These experiences are interested in showing a child, since you have a small miracle in your hands).

How to normalize primer

Speaking of acidity, it is impossible to disregard such an important question as the normalization of the soil. Of course, this is an extremely extensive question, but we will try to illuminate it at least briefly.

In order to reduce acidity, you need alkali. In nature, it is most of all in lime and chalk. In addition, both substances are rich in useful trace elements and fertilize the soil well. Recommended to use the following proportions:

• for the most acidic - 0.6 kg / m 2,
• for strongly acidic - 0.4 kg / m 2,
• for acid - 0.3 kg / m 2,
• for weakly acids - 0.2 kg / m 2.

If there are no specified substances at hand, but I don't want to spend money on them, the ordinary will fit perfectly wood ash (The ash from the leaves does not fit). But its concentration must be increased twice from the specified values.

If the task is to increase acidity, then it will already have to work out. The easiest way to fertilize the soil cheese or humus. A faster and qualitative method - pour a plot with a weak solution of manganese. The only drawback is only for a while normalizes the pH level. In order to achieve permanent results, it is necessary to carry out a procedure 4-5 times, with a minimum of 15-20 cm. After each acidity increases, it is necessary to check the pH level so as not to overdo it.

To obtain a rich crop of any culture, it is important to make timely required fertilizers and monitor the acid indicator. Row cultural plants demanding to acidity. Making special substances allows you to adjust the pH and create optimal conditions For growth and fruiting.

What is soil acidity

Soil acidity is a chemical indicator reflecting the soil reaction and mountain breeds. Classify the soil of acidity as follows.

If you have the opportunity to conduct chemical analysis in the laboratory, take advantage of this. Book also soil analysis for the content of various elements. Knowing the acidity of the soil is necessary for the selection of adaptive varieties of cultures and conducting measures to adjust acidity. You can conduct your own analyzes and observations that you will allow you to determine how the land is the earth of your garden.

How the soil acidity is reflected in tomatoes

Tomatoes are whimsical to the quality of soils and care culture. The main care events are:

• timely watering;
• loose;
• feeding.

But if you want to get a rich harvest, it should be noted that tomatoes grow superbly and fruit on soils with neutral acidity.

Important!

It is necessary to achieve the pH-index of the acidity of the soil under tomatoes in the range from 5.5 to 6.5.

To determine the type of soil, you should use one of the methods of self-assessment of the soil or attributed the samples of the land to the laboratory.

How to define acidity

A reliable and reliable way to determine the acidity of soil is laboratory analysis in a special laboratory. To do this, you should dial the soil into the clean capacity. It is desirable to work in dry weather. If you plan to evaluate large square, It is necessary to make the extrusion of the Earth in several places. Capacities are marked with numbers.

To determine the acidity of the personally, there are a number of devices and methods:

• using a special device;
• on the fauna growing on the site;
• with the help of chalk;
• using a lactium indicator.

There are also several folk recipesSuppose to analyze which category the soil refers to the growing area of \u200b\u200btomatoes.

Using a special device

With the development of technologies, manufacturers offer to acquire PH-meters of various brands that determine the acidity of the soil in seconds. These are compact devices with a set of different functions. For experience pH, a special end is immersed in the soil and indicates acidity with an accuracy of tenths. Depending on the modification, it can be a scale or a digital scoreboard.

A number of devices have a memorization function, as well as a built-in hygrometer, with which you can also determine the level natural humidity Soil.

On the appearance of plants on the site

About acidic soils in the site can be concluded from the visual assessment of the useful crops that grow on the beds. Plants are lack of minerals and nutrientsWhat inevitably affects their appearance.

Pay attention to the ridges with beets. Red bodies on beeturous leaves are signaling about increased acidity. Uniform green coloring of leaves and red stiffs talk about the neutral soil reaction. Coloring of beet trees in red shades means acidic soils. The culture itself prefers a fixed medium.

On the beds, where garlic, cabbage, onion or beets are growing superbly growing, neutral soil. A rich harvest of radish cucumbers, eggplants, peas, zucchini, potatoes mean their growing on weakly acidic soils. On acidic areas, parsley, carrots, sorrel grows remarkably.

On weeds

Having determined which weeds most often grow on your beds, you can conclude about the nature of soils in the garden:

• the alkaline reaction is evidenced by nettle, dusty, reurenik, clover, wildlife, alfalfa;
• sour soil prefer a bell, daisies, a field of field, plantain, horse sornery, hypname, moc., creeping buttercup, mint.

Plots where weeds of a certain type increase abundantly, it is necessary to process with appropriate fertilizers.

With the help of chalk

Another way to independently determine the acidity of the soil on the plot is the use of chalk. Take the usual school and grind it. It is also suitable for the usual whirlpool without adding any substances to it.

Samples of the Earth about 3 tbsp. l placed in a glass transparent bottle or a jar, poured warm water 5 tbsp. l and add-made chalk 1 h. l. Top on the neck stretch the attack or rubber glove. The contents of the cans are mixed with neat shaking. Filling the volume of gloves or an attack means an intense reaction between the ingredients. The separation of gas with stirring of the Earth, chalk and water means an acidic reaction.

The acidity of the soil is easily determined using a lactium indicator. Specialized stores sell ready-made sets with prepared paper strips, which are impregnated with special reagents.

To determine the accuracy of the acidity in the kit, the scale is provided, where in the intensity of the color you can find the correspondence of the color of an experimental lactium paper. The set provides several dozen paper elements (more often than 50-80) to determine the acidity at home.

To find out which acidity is ground in your site, carry out the following:

• make a fence of land in several places;
• make a recess not only from the surface, but also at the deepening;
• put the samples in the tank and march;
• take each material and place it in a piece of bandage or gauze;
• immerse the wrapped ground into the container with distilled water. The volume of water should be 5 times higher than the volume of the earthen sample. That is, if you analyze 1 tbsp. l soil, then distillate must be at least 5 tbsp. l.;
• leave the sample in the liquid for 5 minutes. This is necessary to respond to the dissolution of substances in the ground in water;
• lacmus paper from a set omit in an experimental container for 2-3 seconds;
• remove the indicator and wait for the reaction in vivo.

Lacmus paper can be painted in pink, orange, yellow or greenish tint.

It is interesting!

The method of determining the acidity of soils is the elementary method of reaction, familiar to us from school lessons of chemistry. The orange color of the indicator means the acidic reaction, yellow - weakly sour, greenish color is neutral.

Based on the results obtained, make a conclusion that it is necessary to conduct activities to achieve the necessary acidity. Among the gardeners, positive reviews received a set of lactium paper "Rottinger". Indicator products of this brand allows the most accurate experiments.

Folk Methods and Means

In the absence of an opportunity to laboratory, determine the acidity of the soil, as well as the impossibility of experiments using lactium paper or a special instrument, use the people's ways:

• visual assessment soil layers. For experience, it is necessary to dug a hole in a depth of 25 cm. For these purposes, a regular bayonet shovel is suitable. Inspect the walls of the pits. If there is a layer white color, on the analyzed area of \u200b\u200bacidic soil;
• waters estimates in drainage. Find on your deepening site or inspect drainage channels. Rusty water and iris film on the surface of the fluid indicates a strongly acidic reaction;
• using currant leaves or cherry. For my own experience, take 4-5 leaflets of shrub and fill with 200 ml of boiling water. Wait cooling. Then lower the soil in the liquid (at least 2 art. L). The color of the infusion will change. Pink color will mean an acidic reaction, blue - alkaline, greenish - neutral;
• using acetic essence. Take the usual 70% vinegar and pour it to the ground. Hissing and selection of a whitish chimka will show an alkaline reaction. The formation of bubbles means neutral acidity. Adding to the vinegar of water and chopping soda with subsequent pouring to the soil, where foam is formed after absorption, indicates that the soil in this place is sour.

Simple and affordable reagents that each dachane have will help determine whether the application is required to reduce acidity or not.

Chemical methods

Perhaps self-conducting experiments using homemade lactium indicators. To make them:

• take the leaves of the red cabbage;
• grind leaves or soda on a special grater;
• boil the sliced \u200b\u200bmaterial in boiling water for 30 minutes;
• cool the contents;
• pour in the resulting cabbage brave strips from ordinary white paper;
• dry the impregnated strips at room temperature.

As a result of the events, you received homemade indicators with which it is possible to determine the soil reaction at different parts of the territory. To determine the acidity of the soil in the gauze, place it in the container with a small amount of water, leave it for 5 minutes and after removing immersing your own cooked litmus pieces. Pink staining indicates an acidic reaction.

Conclusion

The cultivation of tomatoes and other crops that prefer neutral soils, in an oily ground is impractical. Root system Tomatoes develop weakly. The main leads and roots are barely absorbed from the soil. Useful substances and minerals.

Plants have a nitrogen deficit during gravity on acidic soils. In the ground with increased acidity, the concentration of dissolved iron, manganese and aluminum is elevated. There is a deficit of protein. All this in the aggregate creates unfavourable conditions For full growth, blossoms and fruits of tomatoes.

To reduce the soil acidity, lime should be conducted. This procedure is better to spend in spring or autumn. Lime must be carefully crushed. Powder is applied to the ridges with before collected crop and extended weeds. Then spend a peroxide. The soil must be pulled to a depth of at least 20 cm. This will ensure the penetration of lime to depth. Tomatoes and other cultures preferring neutral soil will gratefully respond with a full-fledged growth and rich crop of juicy and environmentally friendly fruits.

• Administrator, watering kefir, we did not ruin the plant, as it would be possible to do it not only with sulfuric acid, but also by other chemicals and solutions. And really increased the acidity of the soil, because the ground was checked on the indicators.
• Alya Gorifullina, Anya, Hello! And if on the surface of the soil (in flower pot in particular) white flagDoes it mean that the soil is acidic?
• Actually, everything is the opposite: the greater the pH, the alkalineal soil, the smaller the pH, that aicle.
• The author of the article sounded with the pH of the soil, everything is just the opposite. It also writes that the more lime to those kicola (Appendix No. 1) of the soil - absurd! Do not write anymore, and learn well!
• Yes guys, learn. The word tomato in the plural has the ending, tomatoes. Yes, and many commas standing incorrectly. Head, carefully edit the text.
• Alexey, yes the child confused when writing work. We ourselves noticed, but it was too late. The work was already posted on the site.
• Martin. We have already written about the error in the pH earlier. And in Appendix No. 1, you obviously did not understand correctly. Citizen - "For a flower, weakly acidic soil is suitable. That is, the soil - in which there must be more lime."
• Galina, of course, grammatical mistakes in work, because the child is just learning. This is his own independent work, as they say without bill. We do not apply for the role of geniuses and erudites. For me it is better to read such work than the abstract in which there is not a single word, "linked from the crust to crust." I would like discussion on the topic of work. Maybe someone will share their experience in determining the acidity of the soil. And not a simple writing of something, if only it was a testing of discussion.
• Radmila, if the child would share _ to the method of determining acidity, then the prices would not have been this work. And because This method is linked from the Internet, and also contains a fundamental mistake, then the criticism of this "labor" is still small. Where did the "head" watched? Here it is - our modern education.
  And actually I do not understand, Radmila - you studied a year ago in the second "a" class or who? Who is behind the name of Radmila?
  And work from the site should be removed - otherwise the shame will only increase.
• AlexeiWhich method does an error contain?
• Both methods are faithful. The first is widely known. The second - did not meet. I admit that this invention of second-graders. Bravo! It was not right with too tough assessment. Know-how is there.
  The words "yes, moreover, it contains a fundamental error" - refer to the classification of the soil relative to the pH.
  It would be necessary to remake it, otherwise everyone is put on the head.

• Novel

  May 16, 2013, 23:31

  People are purposefully looking for information and in this case no exception, but unfortunately instead of finding answers to your questions received even more questions than answers. It is impossible to place the material according to such serious issues on the public review of the Ababa as a proven, and maybe at all without checking - the anti-lattice teaching is unambiguous!
  I propose to check and work on errors, in the appropriate places erroneous _Ceclosed_ and write the truth. In the comments where people point to mistakes make the mark "Fixed in the article"

• Victor

  September 3, 2013, 10:42

  Radmila, good afternoon! Regarding the statements of the respected Alexey - alas, he all confused (happens). CM. http://www.o-smorodine.ru/kak-virastit-smorodinu/47-kak-opredelit-kislotnost-pochvi.html - there is competently painted about acidity indicators - the higher the pH, the soil is less acidic (i.e. pH is an indicator of "alkalinity" soil). We will not talk about the absence of some commas in his comments - this is already flooded. Alechka, success to you in school and become a cool agronomist!

• Hope	November 29, 2013, 10:57

  It has long been looking for a simple way how to check the acidity of the soil without buying special analyzers, and accidentally stumbled upon this work. At first, I just ran the entire article with a glance, stopping in detail only on options for checking. Kefir experiment interested me, and when at the end of the article I saw a signature - honestly! - Slightly from the chair did not fall from surprise that this was the work of a second-graded girl. I reread again and has already noticed (I philologist for education) some childhood syllable and minor error in this context. But for me it does not matter, I emphasize once again, in this context, since I finally found the necessary information in a simple presentation. Thank you so much to those who teach children in this gymnasium for concern about the future of our country and for nice impressions of work. Well done, Radmila!
• Thank you for the article, for me it was very useful!
• Dear, wonderful article. No discrepancies noticed. And adult unlishes and aunty themselves were frightened ...
  Read carefully. Madrid! And it is clear that in the design of the work the huge participation of adults, but is it important, because the child is only at all years old!
• Yes guys, I'm new to study a lot of myself and you completely confused me in this matter.
• The fact that the work is written by a student of the 2nd class, it is necessary to point at the very beginning, in order to do not waste the time .... the search engine provides a link in the first pages, and the information in the article is quite primitive ... Personally, I am against Similar, for children on the Internet there are our sites and pages, let us exercise there and the young naturalists-writers ... There are enough adults "disassens" ...
• Radmila, thank you very much. Very useful article. The text is easy to read and remembered well.
• In vain, some readers are dissatisfied with the article. Girl - Well done! I read with pleasure and noted something for myself. In essence, the question did not notice, and grammatical errors - on the conscience of the teacher.
• Thank you. Specked for myself, in particular, the inspection on the acidity of the soil. Purpose article.
• With all due respect to the author, PH9-alkaline soil, but not as weakly acidic.
  Such things need to know.
• Full absurs. Not compliance with chemistry. Physics and common sense. Learn it is necessary better. And the one who checked along the course at all did not go to school. For the rest - read comments.
• For a very long time I was looking for an answer to my question, because on all sites in order to understand something, you need to or form an agronoma, or a good chemistry, and I am a designer by profession) I have long been looking for a way to check the acidity of the soil, but I didn't even hear about such ! Now I'll try it) If you, of course, grow strawberry in the fields, then, of course, this article will not be enough, but if I have 5 strawberry, then believe me, I absolutely do not have time to delve into a bunch of chemical processes . And about the mistakes of grammatical ... What are you here directly all smart gathered! Professor alone! If this article was in the Russian language, then yes. And in this situation, the information itself is important, and not where the comma is worth, even though grammatacy is also welcome. If you need a super smart article of an experienced agronomist - they are a lot on the Internet. If your knowledge allows you to understand them - forward!) People, be easier and kinder! It will be easier to live, believe me. Thanks for the article!))
• For the second class, it is just super that there is generally an understanding of acidity / alkalinity by a child. I personally only on the course of agronomy in the SelhoCountry found out about it.
  The article has no scientific value, there are mistakes, I hope that people will be more attentive and see the author before relying on it in their everyday life. To determine the pH is still easier for the device or stripes, this is a question 200-500 rubles, but the result is verified.

• Vera	January 11, 2016, 17:28

  Comments were configured, but the fact that it is possible to determine the acidity of the soil in this way, I learned in the first, but I would like not from the child, but from the professional to gain experience. I have a problem, I work in the winter garden, and how to care for plants in the Arannery information is almost no. On the ground there is a white-gray raid, I suppose the soil salinity (not changed 30 years), and what should I do about it?
• Baby Radmila, I sympathize with you that you have such managers who score you the head of the wrong information!
  The head of Zifa Raisovna, post the kids and do not score their heads with their illiteracy! They stretch to knowledge, and you are a stunning stuffing!
• And, this is the second class ... And I was preparing to reproach the author in the oddities.
• Thanks for the article! Now I know what kind of soil I have on the plot
• Mimoproogo commentators: very non-pedagogically "slaughter" student with its "valuable" comments. YOU CAN NOT DO IT THIS WAY!!! Information on the question is, and thanks for that. The rest, it is only your bad mood and displeasure to life, increase the spiritual level, for solving your problems due to young people - fall below the permissible.

• Irina

  May 21, 2016, 06:19

  Alena, it is not necessary to post it all on the Internet. Here, you know, adults solve their adult problems. Therefore, in order not to strike on the self-confidence in the realities of the child, such a job was to be placed in Murzilka or else anywhere else to leave comments by other visitors. The result - the child is simply not lucky with teachers. And in terms of training and in terms of preparing for adulthood.
• I just do not have enough words to grief comments. In this work, everything is set out on 5 ++++++ .. and you need to learn more closely to you. Hiking with the Russian language you are in a quarrel, and apparently from an early age. The fact that the acidity of the soil is changed above that the acidity of the soil is changing in the soil. Here are just comments turned everything from Nagolohau. This article says correctly that "acidity depends on the presence and amount of lime in the ground. If there is little lime in the ground - then the soil becomes acidic." Who can refute the fact that the less lime in the soil, the soil becomes acidic?. I picked up if a second-graded wrote that the more lime, the less acid in the soil, then everyone understood. And so, if the child wrote on the contrary, then the "smart" dyadinki and ancestors could not include their brain and understand what was said in this phrase .. the sins of others judge you all diligently turn
  Start with your own and not get to others ... And the second-gradent is a huge rectum. KEEP IT UP..
• And in the second grade chemistry not yet teach

• Just Zhenya

  May 17, 2018, 07:28

  But I just water the plants in the garden with sulfur and other acids, because the soil is strongly alkaline!

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The soil acidity (pH level) is, first of all, the state of the Earth, which is characterized by the fact that the soil begins to acquire properties of different acids. The soil acidity depends on finding hydrogen ions in it, as well as a considerable role in the acidity of the soil plays aluminum, oxidizing it. Acidity plays great importance for many varieties of cultivated plants, as it affects not only their growth, but also on the quality of shoots.

Measurement of acidity

Soil acidity can be defined in several ways:

• Using strips of indicator paper. Paper can be purchased in any specialized store. In order to take advantage of this paper, you need to dig a hole with a depth of 30 cm. The walls of the walls in this fossa need to be scraped at least in 4 places. Then the ground at the bottom of the pit is mixed and wrapped with water, we kill the indicator paper and put in the wet earth. The color of the paper will change depending on the acidity: the red color is a strong acidity, pink - medium acidity and yellow - weak acidity. If there is no acidity, then the paper is painted in green.
• The acidity level can be defined by external features. If the water on the surface of the Earth (in the puddles) acquires a red-haired color with a rainbow raid, which means that the soil is strongly oxidized.
• Acidness can be determined by the weeds growing on the soil. At acidic land, they usually grow: horses, cornflowers, plantains, buttercups, Ivan da Maria, mint, violets, daisies, essays and heather. On the soil with small acidity, the nettle is usually growing, chamomile and a swan.
• There are also several other ways that will indicate the acidity of the soil: for this you need to put a small piece of the earth on the glass and moistened with vinegar. If the soil foams - this means that it is very scales, if the reaction is not - it means the acidity is normal.
• Another acidity can be determined by the color of the beets from the beet. If the tops are reddish - it means the soil is acidic, if a sheet of green - means the acidity is normal, and if the beet of the stuffing is red - it means no acidifies and not at all.
• Soil acidity can be roughly estimated by simple measuring instruments showing pH.

Types of acidity

Soils are weakly acidic, neutrally acidic, weakly alkaline and medium acid. All these types of acidity differ not only in composition, but also that on such a soil can be raised.

• In the medium, the acid can be grown: potatoes, sunflower, sorrel, melon, corn strawberries, hydrangea, gooseberry, cherry, apple tree.
• In weakness they grow: roses and lilies.
• In neutral: Most garden plants: chicory, apricot, grapes, black currant, lilac, chrysanthemum, crocuses.
• In a slightly alkaline: carrot, onion, Kochnaya I. color cabbage, parsley, asparagus, celery, artichoke,.

1. Current acidity is, as a rule, podzolic soils in the forest area, as well as a different kind of peatlands.
2. The potential acidity of soil is the acidity of hardened soil, it is determined by 100 grams of dried soil and the presence of cations in it.
3. Exchange acid - it is influenced by hydrogen and aluminum, which include chemical contact with salts. This type of acidity happens in humorous soils.
4. Hydrolytic is alkaliic acidity and lies in the interaction of ions with hydraulic alkaline salts, this acidity is determined by base saturation.

How to change soil acidity

In order to make the soil less acidic need to fall in the fall, when the land is loosening, add a limestone to the soil: 500 grams of limestone on 1 add to the soil square meter, in the acidic 400 grams, and in a poorly acidic 300. Adding limestone varies with the level of acidification and growing plants on soil. Fresh lime can also help with soil acidity, dolomitic flour and cement dust, they are added to the soil in the same ratio as limestone. The procedure for reducing the soil acidity is better carried out every 8-10 years.

To increase the acidity, you need to add ammonia to the soil, sulfur or vinegar. They are bred in water (2-3 tablespoons per 1 liter). One liter of such a solution is enough for 1 square meter of soil. You can also use special fertilizers that are sold in stores.

What affects acidity

The soil acidity, as a rule, affects the climate of the terrain and growing plants growing on earth, direct care for earth, adding incorrect fertilizers to the soil, lack of water or its oversupply, as well as many other factors. Proximity to peathers or forest also has a fundamentally effect on the state of the soil, so before breaking your garden, you need to carefully choose the terrain for this, in some cases even apply historical data about the land where you are going to engage in gardening, for how The rule, the upper layer of the Earth can be suitable for landing, and at the lower levels may be unsuitable for plants soil, especially for trees, whose roots can reach great depths.

The meaning of acidity

Soil acidity needs to be constantly tracking to maintain good yields and the health of plants that grow on this soil. Thanks to this, you will still have a very long time to use your dual district For horticultural needs. Not always acidity can be changed by own forcesSome people for this invite special specialists and there is nothing unusual.

But it is not necessary to think that all plants do not equally love the soil. If you are going to plant various plants On its plot, for each plant, a certain level of acidity must be observed. So it is not necessary to eliminate the acidity of the soil throughout the plot. You can leave some areas of the Earth with increased acidity for special types of plants. The main thing is to approach the acidity of the soil with the mind and then you will achieve the best success in horticulture.