Environment friendly composite material for controlling loss of nitrogenous fertilizer, preparation method and use method thereof
An environmentally friendly, composite material technology, applied in fertilizer mixtures, applications, fertilization devices, etc., can solve problems such as inability to meet aquaculture, and achieve the effect of increasing fertilizer and water retention capacity, improving fertilizer supply capacity, and preventing release to the atmosphere.
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[0028] 1. Mix and granulate attapulgite:monoammonium phosphate:polyacrylamide according to the ratio of (100-300):(5-16):(2-10) to make an environmentally friendly composite material for controlling the loss of nitrogen fertilizer As a fertilizer additive, the particle size is controlled at 2-6mm. The additive can be mixed with urea or ammonium sulfate in the ratio of 1:(4-9) and applied according to the conventional nitrogen fertilizer application method and usage amount.
[0029] 2. Mix attapulgite:monoammonium phosphate:polyacrylamide according to the ratio in 1, and then stir and mix with nitrogen fertilizer to use as a nitrogen fertilizer synergist.
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