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The main fertilizers used in agriculture and also the most nitrogen fertilizer is lost from the soil. Leaching from the soil as nitrate leached. Ammonia volatilization from soil (ammonia volatilization) to reduce losses to a minimum. It improves the efficiency of the use of fertilizers to increase energy saving in the agricultural sector. How to increase the efficiency of nitrogen fertilizers have three ways to divide many times during the appropriate time. Inhibitors using nitric USB Adapter for ammonium and urease inhibitor on urea. Finally, the use of fertilizers dissolve slowly. Availability of chemical fertilizer. (Dissolution) and its soluble (solubility) of fertilizers in the soil solution. But soluble fertilizer plant is easy and beneficial to maybe make some undesirable online steam table effects, such as nitrogen, have lost a lot. The tracks left by fertilizers and phosphate fertilizers in the soil is held at a very granular. The efficiency of the plant nutrients from fertilizers online steam table (nutrient use efficiency) is lower than it should be.
Solubility refers to the phenomenon of solute (solute) combined with solvent (solvent) then the solution Fertilizer into the water on the volume. online steam table Fertilizers are very soluble. online steam table Show that the condition of a water-soluble fertilizer high Conditions soluble fertilizer mean weight (g) of fertilizer to the water 100 gram saturated with fertilizers such as temperature, given the state of soluble ammonium nitrate 87 g / 100 g, temperature 20 degrees Celsius, but the ammonia. The chloride is the only show that only 37.2 grams of ammonium nitrate has a higher water soluble ammonium chloride.
Slowly soluble fertilizer we are known for a long time. In the sense that. Fertilizers that release nutrients to the plants slowly in English, the second term has a different meaning to the controlled released fertilizers and slow-release fertilizers generally do not know the difference between these two types. It used to mean crazy together as "soluble fertilizer slow" but academic. Controlled release fertilizers (controlled released fertilizers, CRF) and a slow release fertilizer (slow-release fertilizers, SRF) are significantly different.
- Controlled release fertilizer (controlled released fertilizers, CRF) refers to the production of fertilizer to control nutrient release. It is also clear that there are aware of any factors that influence the rate and timing of fertilizer will release nutrients. The mechanisms that control online steam table the release fertilizer already in production such as fertilizer coating (coated fertilizer).
- Slow release fertilizer (slow-release fertilizers, SRF) refers to the release of fertilizer nutrients are released more slowly than chemical fertilizers. But can not control the rate and period of liberate much food. The release rate depends on external factors such as soil moisture and soil microbial activity, etc. This type of fertilizer including urea floor to aldehyde (urea - formaldehyde).
Be noted that the controlled release fertilizer. Beef manure in the fertilizer, online steam table water soluble high (high solubility), but coated tablet fertilizer for coating granular fertilizer to control (control) liberation (release) should be called "fertilizer controlled release (CRF)". The slow release fertilizer such as urea aldehyde floor to a newly synthesized chemical fertilizers. Of urea, which has a high solubility in water, but when the production process. Fertilizer has a soluble low (low solubility) and nitrogen comes out soon as is water soluble so-called "fertilizer release soon (SRF)" To the fertilizer two species are collectively known as "SRF / CRFs". the ammonium or urea mixed inhibitors (inhibitors) to make fertilizer is beneficial to plant life. Especially in soils with a cation exchange capacity of the medium to high. It may be classified ammonium or urea mixed inhibitors. A slow-acting nitrogen fertilizer (slow - acting nitrogen).
Organic nitrogen, which has a low solubility in water (organic-N low - solubility compounds), which are divided into two compounds is caused by condensation. (Condensation) between the Sun urea aldehyde such as urea formaldehyde. The degradation by microbial activity and the second is the decomposition of organic compounds, mainly by chemical reactions such as steam line Dean butyl urea. (Isobutylidene - diurea, IBDU) These fertilizers are "slow release fertilizer" Fertilizer with physical barriers (physical barrier) to control nutrient release to release. Fertilizer pellets online steam table are coated with a polymer and a hydrophobic polymer (hydrophobic polymers) or materials (matrices), which are widely distributed in soil. For such material is inserted between the flesh and the limited solubility of manure fertilizer it. For fertilizer coatings can be divided further into two types of coated tablets online steam table with polymers, such as plastics or resins (resins) and uncoated tablets with inorganic substances, such as sulfur for fertilizer soluble type of tea used. ground (matrix - base slow - releasefertilizers), then use the material to split a substance like water, like poly-olefins (polyolefines) and rubber are also available hydrogels (hydrogels), a substance. hydrophobic. Reduces the solubility of the fertilizer. By hygroscopic and swell. Materials for use in the production of a few The substances they hydrogels. In the product development phase. Fertilizer, such as "controlled release fertilizer (CRF)" Inorganic compounds with low water condition (inorganic - lo.
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