Urea fertilizer extraxarrow feeding. Urea: Features Features and its use. Features feeding room flowers
Carbamide, or urea - the most famous nitrogen fertilizer. It can be used everywhere: at home, in the garden, in the greenhouse and in the garden. Carbamide has a high efficiency, a small value, and it can be bought in any garden store.
Delivery was fast. The article was packed in a cardboard box that was not damaged. The color and grain size of the product correspond to my expectation of the product. Fertilizer, which was delivered to me, looks optically after making fertilizers, but seal into a thin-walled black garbage bag with cable binder. The bag has already been cracking, and the fertilizer spread to cardboard box Or threw out of the bag. Only on the card was a sticker on the contents. Extensive tests have shown that for the "optimal" characteristics of the area in phosphate and potacue enough "bright" soil values.
How to make a carbamide
Carbamide can be used for feeding any cultures: decorative, fruit, vegetable. Fertilizer contains ammonia nitrogen, which is rather than inorganic nitrogen salts, is absorbed in plant tissues, is intensively used in biochemical processes, and therefore its use is more efficient than other nitrogen fertilizers.
When putting into the ground, the granules of the carbamide need to immediately close in the soil at a depth of 3-4 cm. In soils with high biological
The urea activity turns into carbon dioxide ammonium in 2-3 days, and this connection is easily decomposed on the air to the gaseous ammonia, that is, part of nitrogen is simply evaporated. Therefore, the superficial introduction of urea without sealing into the soil is inefficient.
How to fertilize urea
Fertilizer requirements for phosphates and potassium are regulated. Content nutrients In soil diet to remove grown fruit species. Phosphate and potash fertilizer at the discharge level does not mean that each fetus should feed on the amount of nutrients, which it displays, but that the removal of nutrients must be replaced by crop rotation. Therefore, it can be useful to fertilize phosphate and potassium on leafy plants. If the field has any residues contained in it nutrients should be taken into account in the balance sheet of nutrients.
Do you need to make a carbamide under the planting of vegetable and berry crops
Before planting the granules are dripped together with the soil at the rate of 5-10 g / m². However, gaseous ammonia, standing out, can damage young sprouts. Therefore, under the crops, the carbamide is better made in advance, 1-2 weeks before sowing. The negative effect of the effects of ammonia on young sprouts can be practically completely neutralized when used potash fertilizers. In this case, fertilizer efficiency will increase.
IN last years There is more and lower demand for agricultural crops with an increase in yield. Notes on making magnesium. However, the fertilizer of the leaves can only supplement the soil fertilizer, but do not replace it. In general, elementary nitrogen is given the greatest value for the good development of the lawn.
Nitrogen components and their influence on the lawn
The positive effect on the lawn area by fertilization is achieved if uniform nutritional nutrition is provided during the entire growing season. It should be avoided by an excess of ammonium nitrogen and nitrate for plants for plants in soil solution so that no loss losses occurred and there was no sharp grove in herbs. Taking into account the effective nitrogen components, the fertilizer market offers a wide range of products. If products are compared only with each other in accordance with the formula and price, there are often many misunderstandings.
Urea perennial feeder
For feeding perennial colors during the growth period, 20-30 g of carbamide on 10 liters of water is used. Watering is carried out at the rate of 1 l per adult plant.
Feeding trees and shrub carbamide
Fruit and berry and decorative trees And shrubs feed one or twice for the season. The carbamide is made throughout the projection of the crown, scattering on the surface before irrigating. Using organic fertilizers The dose of carbamide is reduced by a third or even half. On average, an adult fruiting apple tree or a pear is made from 150 to 250 g, under the plum - 100-140 g, under the curor - 30-40.
Podkord vegetable crops: When used in a dry form - 5-20 g per 1 m².
Under the cucumbers and peas are made of no more than 5-8 g / m² of dry urea,
Below are the most important criteria for fertilizer forms for assessing and evaluating various ingredients and properties. Nitrogen is one of the main nutrients required for planting vegetable material. Herbs absorb nitrogen mainly through the roots. In the case of liquid fertilizer, even the smallest quantities can be absorbed through the sheet. Only mineral forms of nitrates and ammonium are suitable as compounds available for plants. The plant consumes nitrogen consumption during nitrogen consumption.
Therefore, to regulate growth it is necessary to use dosage homogeneous food. "Long-term fertilizers consist entirely or predominantly of n-forms of slow motion, which must be transformed or released in the soil for absorbing by plants." Table. Table 1: Classification of gas-bearing long-term fertilizers.
under the zucchini and patissons contribute - 10-15 g / m² of urea,
under the tomatoes and pepper - up to 20 g / m² of urea.
For watering of vegetable crops, you can prepare a solution: 20 g of carbamide on 10 liters of water. Water from the calculation of 1 l of the finished solution on one plant.
Extra-corneous subcortex carbamide
In the signs of nitrogenous starvation in plants, as well as in the case of scattering, it is useful to carry out an extractive feeding of a carbamide. Urea has an advantage over the Selutyra and other nitrogen fertilizers: it burns less plant leaves. The consumption of the carbamide solution with an extra-root feeder is about 3 liters of working solution by 100 m².
Crowns fruit trees Spray at a concentration of not more than 0.5% (50 g of urea on 10 liters of water). It is desirable that the urea solution in fine-flowered state fell both on top and on the lower side of the sheet, evenly wasting it.
Depending on the selected source materials, the operation time is 6-12 weeks is achieved with the help of shredded fertilizers available. To evaluate the long-term consequences of a raging fertilizer, it is important to determine the ingredients of the relevant product based on the field of declaration or description technical productSo that you can correctly estimate the mechanisms of impact when compared. In this case, errors occur more often, such as "urea \u003d long-term fertilizer" or "stabilized ammonia fertilizer \u003d long-term fertilizer".
For indoor plants The urea solution for extractive feeding is prepared at the rate of 5-8 g of carbamide on 1 liter of water. If plants have very pale leaves (which indicates a nitrogen deficiency), then 3 g of magnesium sulphate (sulfur-acidic magnesium) should be added to 1 liter of the solution. The use of magnesium sulfate will reduce the risk of burns and increase the effectiveness of the feeding, since magnesium is part of chlorophyll.
Extra-root feeders are carried out in the morning or evening.
The role of urea in the development of tomatoes
For this reason, the current components of the chewing fertilizer nitrogen are compiled with an impact assessment in Table 2. A balanced, the corresponding growth of fur ensures a steady increase in regeneration lawn herbs Before creating a dense and long-term mining. Herbs and mosses have little chance to spread. Herbs develop with a healthy diet, healthy greens and excellent, with a stimulated, active root plant, light dry periods. The grass lawns are hungry and crave, they need fertilizers and water, and they deliver oxygen through photosynthesis, forming dense vegetation cover.
Urbamide as a means of plant protection
Carbamide can also be used to combat pests and diseases. With the onset of the first warm spring days (the average air temperature of the air +5 ° C and above) before the start of the swelling of the kidneys, the concentrated urea solution (500-700 g of urea and 50 g copper Kaper 10 liters of water) are used to spray fruit trees from pests, as well as from pasta and other diseases. Early spraying contributes to flowering delay and reduces the likelihood of damage to spring frosts in thermal-loving crops (Alycha, Apricot and others).
To protect the apple tree from the paste and other infectious diseases, the trees can be made with a solution (500 g of urea by 10 liters of water) in the fall, at the beginning of the leaf frame.
The principle of "work" urea
Landscape management. Soil fertility is a key plant growth factor and has a big impact on productivity and quality of food. Nitrogen is part of each living cell, so it is necessary in the plant. As a rule, plants require a large amount of nitrogen to grow normally. Nitrogen is necessary for chlorophyll synthesis and is part of the chlorophyll molecule, participates in the process of photosynthesis.
Nitrogen is part of the vitamins and energy systems of the plant. It is also an important component of amino acids that form proteins; Therefore, it is directly responsible for increasing the protein in plants and is directly related to the number of leaves, stems, etc.
Basic rules for the use of carbamide (urea) in the garden and garden
- "" Outdoor ammonia evaporates. To avoid his losses, fertilizer should be close in the soil at least 3-4 cm.
- "" There must be a stratum layer between the granules of the carbamide and freshly seed seeds. It is better to apply a carbamide together with potash fertilizer.
- "" The carbamide with other fertilizers can be mixed only if they are dry, and only before having, as it increases the hygroscopicity of the mixture. You can not mix carbamide with simple superphosphate, lime, dolomite and chalk.
- "" The urea solution with extra-root feeders does not burn the leaves (5-10 g per 1 liter of water), unlike ammonia nitrate. Already 48 hours after spraying, the nitrogen carbamide is found as part of the protein of plants.
- "" Store unused fertilizer granules in a dry place, since the urea absorbs moisture well.
Certificate of preparation
Urea as fertilizer has the advantage that provides high nitrogen content, which is indicated above, is important in the metabolism of plants. Most of the urea produced is used as a fertilizer, although it is also used in the plastic and chemical industry, in the production of adhesives, resins, ink, etc.
To find suppliers or companies that sell urea, request a quotation or price of urea or additional information, visit our website. Counting in its assortment products with chemicals such as urea, acetone, ethyl alcohol, aniline, formaldehyde and others. Carbamide, carbamide resin, carbonylidemide, isomoran, carbonylamine.
Carbamide, or urea, - Chemical compound, which is an amide of coalic acid CO (NO2) 2. it organic connectionHowever, it is customary to refer to mineral nitrogen fertilizers.
Appearance of carbamide. It is colorless crystals without smell. The finished product looks like rounded white granules, grayish or slightly yellow.
Basic applications and applications
Empty containers can be dangerous, as they contain the remnants of the material. The main use is to produce fertilizers; Other major types of use are the antimenspit agent, an active agent in the production of resins and others. In the sowing areas, the use of fertilizers has become a very common process around the world. The use of these chemicals to return the soil to nutrients, which plants need their cultivation, is a method that is naturally used in hectares intended for crops, where the excessive exploitation of soil leads to its loss of nutrients affect the development of crops.
The composition of the carbamide. This is the most concentrated from nitrogen fertilizers: in pure urea contains about 46.2% nitrogen!
The properties of the carbamide. It is well soluble in water, with an increase in temperature, the solubility increases. In an aqueous solution, urea is hydrolyzed with the formation of ammonia and carbon dioxidewhich causes its use as mineral fertilizer.
So use different species Fertilizers is an ideal method that helps the soils to preserve their source of nutrients. There are various types of fertilizers applied to different types Soils, some of them are urea fertilizers and phosphates. Urea is a chemical connection with a clear and colorless appearance. Due to the high carbon and nitrogen content, its use to create fertilizers for crops is very common. This compound can be found in nature, but it works with the advantage that it can be created by a person.
Application of carbamide. Used for root and extractive feeding, as well as to combat pests and diseases.
Very often daccias are used urea. This is a powerful concentrated nitrogen fertilizer. Sold in the form of granules white color, without sharp smell. It has a contradictory property: moisture absorbs poorly, but dissolves in water well.
Urea is an economic composition and easily tolerated for use in cultures. The use of urea fertilizers is very often used by manufacturers or farmers, but their use should be carried out with caution and responsibility. Its use brings two problems to which those who are responsible for its application should pay.
The first disadvantage with which those who use this product are faced is that this is a compound that is applied on the surface of the soil, its volatile is very common, and there are large losses of the same if not used with caution. To avoid this, you can cover the soil before applying fertilizer from urea and, thus, avoid the loss of the compound, as explained above.
Urea has its advantages and disadvantages. Due to its properties, the soil is enriched with nitrogen, struggles with some kinds of diseases and pests, extra cornering subcortex Does not cause burns on the leaves. All this allows you to increase not only the amount of crop, but also quality. The disadvantages include the impossibility of mixing with other types of fertilizers (lime, chalk, superphosphate, dolomitic flour), Reducing the germination of seeds with too much fertilizer concentration and storage conditions, albeit a long, but only in a dry place, otherwise the granules will gather in a lump.
The second and most important disadvantage is that its use in excess or when applied, and soil at high temperatures can lead to a compound, and this new combination of it with other substances of the soil can get into pollution of plantation and destroy the harvest of months. Thus, your application must be done with the necessary safety measures and people who have knowledge of the work performed.
The importance of using urea and phosphate fertilizers
It is all over the world hundreds of countries use urea and phosphate fertilizers to achieve large yields or simply to increase the level of harvest. Urea fertilizers and phosphates are widely used chemicals and are very useful for development. large squaresSelected for crops, but their use should be careful and apply in each case the correct dose so as not to provoke the opposite effect on the desired, the use of urea and phosphate fertilizers - excellent methods that help soils and plants get the necessary nutrients for their development and growth. It also allows you to significantly increase the production volume of crop production, significantly reducing the number of plantations lost for various reasons.
Urea is used in the form of an extraxornical feeder with a lack of nitrogen and falling out the strings. Spraying with a solution is carried out early in the morning or in the evening, in a windless dry weather. Recognize in appearance Leaves and stems. In a normal form, the color of the plants are saturated with a glossy tide. With nitrogenous foliage ahead, yellowing yellow or pale, and shoots slowly grow and branched poorly. The leaves are minced, have a slightly elongated (elongated) shape. Kidney little.
Extra-corneous subcortex carbamide
In addition to providing them with nutrients necessary for their growth, fertilizers help plants easier to overcome pests and diseases with whom they have to deal constantly during the growth stage, and especially at the first stage of development.
Thus, the use of urea and phosphate fertilizers allows plantations to become stronger and can with various agrochemicals with different agrochemicals be able to cope with various types of insects, bacteria and viruses that can affect them until the ripening of its fruits.
If the nitrogen is in the soil above the norm, the greens grow rapidly on plants, and few flower buds. Foliage is a large dark color. The fruits are tied slowly, and ripening takes place in a later date.
As urea acts
In the soil, urea interacts with bacteria within 2-3 days, transforming carbamide into ammonium carbon dioxide, and in turn, when interacting with oxygen turns into gaseous ammonia, which is needed by plants and soil. If urea is simply scattered on the soil, not close, then the percentage of benefits will be much lower. That is why everywhere is advised by the urea to be added under the steamed and close in the soil to a depth of 7-8 cm, but not less than 4 cm.
Urea - Pros and Cons Fertilizers
Water can not be the most pleasant of human "products", but it can be nutritious for plants. In fact, it can be a cheap and unlimited resource for sustainable agriculture. Although its use as a fertilizer is not Nova, a urine recovery project in Vermont, the United States, aims to promote the change in how we think about human waste.
How to fertilize plants right?
"Watering is very high in phosphorus and nitrogen, and these substances in water are serious pollutants, they cause an increase in algae in rivers and can kill fish and destroy water ecosystems." But, on the other hand, phosphorus, which produces few countries in the world, is fundamental to agriculture and cannot replace it.
How to apply urea
From feeding the urea result can be different, depends on the time and stage of plant development. Everyone knows the growth of green mass, so if the urea is applied during the bootonization period, then the yield will decrease. Feat the plants during the growth period of green mass and at the beginning of fruiting.
It is impractical to apply urea in the fall as fertilizer, since bacteria and microorganisms are decomposed in the fall of moisture and dampness, and ammonium is destroyed. For the winter, nitrogen will fall in deeper soil layers, of which adult plants will be difficult to get it, and the root system of young plants is impossible at all.
Autumn urea use is justified only if the household plot consists of sandy soil or before planting under the winter directly into the wells. But then the fertilizer granules need to be sprinkled with a thin layer of soil so that there is no direct contact of the planting material with urea. Trees and shrubs are also treated in autumn, after harvesting, for prevention or, weedons and leaflers.
Mixing urea with seeds or seedy is not allowed! Always between them should be soil pillow.
Usually for colors (roses, irises, calla, hyacinths and others) apply urea within 5-10 g per 1 sq.m. For vegetables (eggplants, carrots, peppers, cucumbers) Norms are different from 6 g to 25 g per 1 sq.m. For a fruit-berry garden (shrubs and trees) - 70-250 g per plant (apple tree - 200 g of granular fertilizer or dissolving in 10 liters of water; drain, cherry, IRGA - 120 g).
When there are no weights at hand and measure the required amount of urea is not possible, that is, the average data, for example, in the matchbox is placed 13 g of urea.
Urea application by panstone It does not end with the function of fertilizer, it is still able to protect the garden from weevils, phones, meditals and other common garden pests. And it will also be a good prevention of diseases, such as a pass, and purple spot. Spraying the garden in this case is suitable in the fall, after harvest, or in early spring Under the average temperature + 5 ° C, before the awakening of the kidneys. The solution is prepared at the rate of 50-70 g of urea per 1 liter of water.