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Ammonium nitrate is administered five types in Tabu

Ammonium nitrate is both containing ammonium and nitrate-containing fast-acting fertilizer into the soil dissolved and half nitrate, ammonium half, can be absorbed by crops, no adverse effects on the soil, is a seed physiology neutral quick-acting nitrogen fertilizer, applicable to all types of soil and crops.
But when applied ammonium nitrate should pay attention to the following five points:
A paddy Shen Shi ammonium nitrate. Because the ammonium nitrate into the soil, broken down into nitrate ions easily adsorbed soil colloids, easy to drain with water in the paddy field application of nitrogen loss is more serious. In addition, the paddy soil is anaerobic conditions, nitrate infiltration to restore paddy layer, easy to generate in the role of denitrifying bacteria ammonia or nitric oxide, resulting in the loss of nitrogen. Studies have shown that administration of ammonium nitrate paddy field, not as good as other nitrogen fertilizer nitrogen, etc., and so on only about 50% to 70% of ammonium nitrogen. To be administered, it should suck in a large amount of rice and fertilizer on nitrogen utilization rate high panicle formation stage or tillering, but also pay special attention to water management, in shallow water of about 3 cm fertilizer, applied after it naturally fall dry, irrigation later.
Second, the ammonium nitrate should not be when basic fertilizer, fertilizer, preferably as fertilizer. After the ammonium nitrate into the soil, broken down into easy nitrate ion leaching with water, it is not appropriate for basal. Ammonium nitrate fertilizer for the species and it is not, because of its high nutrient content, moisture absorption, and the contact will affect seed germination. Ammonium nitrate is the most ideal use as top dressing, and the dressing is ideal for dry, dry ammonium nitrate should not be administered in heavy rain or be applied after pouring flood.
Third, green leafy vegetables should not be applied to ammonium nitrate. Green leafy vegetables such as cabbage, Chinese cabbage, spinach, celery, spinach growing season is short, easy to absorb nitrate. Administration of ammonium nitrate, green leafy vegetables are mostly absorbed by nitrate ions, shortened shelf life, perishable. From the food safety point of view, if long-term eating these vegetables contain high nitrate easily accumulate poisoning.
 
Fourth, beware of improper mix of reduced fertility. Ammonium nitrate can not lime nitrogen, ash and other alkaline fertilizer mix or mixed storage facilities, or easily cause volatilization of ammonia state nitrogen, reduce fertility. Nor with acidic fertilizers such as superphosphate mixed application, etc., in order to avoid decomposition of nitrate nitrogen oxide to escape, causing the loss of nitrogen. Ammonium nitrate can not be mixed with fresh organic fertilizer mixed fertilizer or stacking, otherwise nitrogen denitrification will occur, resulting in nitrogen loss.
Pay attention to safe storage. Ammonium nitrate has oxidizing, explosive and strong moisture absorption, to be placed in a cool, dry place mat beneath logs or wood, do not store together with combustible materials, detonators, explosives, etc., do not put metal drums, because mixed with ammonium nitrate and metal by friction shock explosion may occur. Ammonium nitrate can easily absorb moisture caking, after agglomeration can be administered with water or solubilized with a wooden stick to gently crack after administration, avoid violent percussion, not hitting things with hammers and other metals, and prevent the occurrence of explosion. When the move is necessary to prevent violent vibration place.

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