Anti-leaching fertilizer and preparation method thereof
A fertilizer and leaching technology, which is applied to fertilizer mixtures, layered/coated fertilizers, nitrogen fertilizers, etc., can solve the problems of easy leaching and low utilization rate, and achieve a high utilization rate, low cost, and simple and easy process. Effect
Inactive Publication Date: 2020-05-05
SHENZHEN BATIAN ECOTYPIC ENG
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The invention belongs to the technical field of agricultural fertilizers, and particularly relates to an anti-leaching fertilizer and a preparation method thereof. The anti-leaching fertilizer comprises urea particles, lignin layers for coating the urea particles and bonding layers which are located between the urea particles and the lignin layer; wherein the bonding layers are composed of modified lignin. The anti-leaching fertilizer has a very good anti-leaching effect, the utilization rate of fertilizer nutrients can be increased, and meanwhile, lignin is a renewable, non-toxic, cheap and biodegradable natural organic matter, so that the anti-leaching fertilizer not only has a slow release effect, but also has the characteristics of no pollution and environmental friendliness, and is remarkably superior to the prior art.
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