Micro-nano selenium-enriched controlled-release microbial fertilizer and preparation method thereof

The invention discloses a micro-nano selenium-enriched controlled-release microbial fertilizer and a preparation method thereof, belonging to the technical field of fertilizers. The micro-nano selenium-enriched controlled-release microbial fertilizer is prepared from the following raw materials in p...

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Hauptverfasser:	HU KEJIAN, LI WENYI, TAN YINGZHI, HE FULIN, LIU XIAOWEN, YUAN ZHIHUI, PAN JUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
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creator	HU KEJIAN LI WENYI TAN YINGZHI HE FULIN LIU XIAOWEN YUAN ZHIHUI PAN JUN
description	The invention discloses a micro-nano selenium-enriched controlled-release microbial fertilizer and a preparation method thereof, belonging to the technical field of fertilizers. The micro-nano selenium-enriched controlled-release microbial fertilizer is prepared from the following raw materials in parts by weight: 5-15 parts of urea, 20-30 parts of ammonium sulfate, 10-20 parts of ammonium dihydrogen phosphate, 10-20 parts of potassium nitrate, 0.5-1.5 parts of sodium selenite, 15-35 parts of humic acid, 4-8 parts of nano microspheres of natural polysaccharide, 1-3 parts of a coated controlled-release agent and 0.5-1.5 parts of a microbial additive. The micro-nano selenium-enriched controlled-release microbial fertilizer is good in controlled-release property, capable of releasing nutrient elements for a long term, high in utilization ratio, and capable of reducing loss of fertilizer nutrients in soil and increasing the utilization ratio; and the fertilizer is rich in selenium, so that the content of organic
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subjects	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
title	Micro-nano selenium-enriched controlled-release microbial fertilizer and preparation method thereof
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