Ox hair keratin coated slow-release fertilizer capable of improving saline and alkaline land and preparation method of slow-release fertilizer

• Main Authors: YU JIAYONG, LIAO HUAJUN, WANG CHENGGANG, YANG JIGUAN, DOU CHANGSHENG, YANG JISHAN
• Format: Patent
• Language: Chinese; English
• Published: 21.09.2016
• 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; ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE

The invention discloses ox hair keratin coated slow-release fertilizer capable of improving saline and alkaline land. The ox hair keratin coated slow-release fertilizer is prepared from raw materials in parts by weight as follows: 20-21 parts of ox hair, 20-22 parts of Chinese honeylocust fruits, 75-80 parts of reed, 30-34 parts of potatoes, 40-42 parts of waste paper, 50-55 parts of tea seed meal, 15-17 parts of wheat middling, 30-35 parts of bentonite, 1-1.5 parts of ammonium nitrate, 2-3 parts of ardealite, 1-1.5 parts of sodium acid pyrophosphate, 0.2-0.3 parts of fatty acid methyl ester ethoxylate, 0.2-0.3 parts of sodium carbonate, 20-21 parts of mercaptoethanol, 18-19 parts of urea, 3-4 parts of lauryl sodium sulfate, 0.2-0.3 parts of transglutaminase, 3-4 parts of starch, 18-20 parts of a 10% polyvinyl alcohol solution, 7-8 parts of a 5% carboxymethylcellulose solution, 4-5 parts of formaldehyde, 5-6 parts of glycerin, 0.2-0.3 parts of borax and 2-2.5 parts of microbial powder. The slow-release fertil