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Based on the above points, ammoniated compound fertilizer has the characteristics of uniform granulation, bright color, stable quality, sufficient nutrients, easy to dissolve and be absorbed by crops, etc., especially as seed fertilizer is relatively safe for seeds.
The types of fertilizers can be divided into two types: inorganic fertilizer and organic fertilizer.
2023-12-28
Inorganic fertilizer is chemical fertilizer, such as various nitrogen, phosphorus, potassium fertilizer or compound fertilizer. Chemical fertilizers are commonly used in the planting industry: diammonium phosphate, urea, potassium sulfate, potassium chloride, various compound fertilizers, and long-acting fertilizers such as stone, also called superphosphate, can be used on fruit trees.
Pre-stable, medium-promoted and post-supplementary fertilization method: this method is based on the application of a certain amount of fertilizer in the early stage, increasing the amount of top dressing to attack large ears in the middle stage, and supplementing grain fertilizer in the later stage. The general basic dosage accounts for 40%-60%. In the medium-term top dressing, tillering fertilizer accounts for 30%, ear fertilizer accounts for 50%, and grain fertilizer accounts for 20%.
In the high temperature and dry season, under the irradiation of strong light, the temperature of the bare ground can reach 50 ℃, evaporation is strong, and the concentration of surface water solution increases sharply. At this time, if the same amount of fertilizer is applied under normal weather, the crop yield will not only not be maintained or increased, but also may be reduced.
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Hebei Zhongchang Fertilizer Co., Ltd.
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