Special slow-release fertilizer for peanut in saline and alkaline land and preparation method of special slow-release fertilizer

• Main Authors: WU YOULI, HAN CHAOYING, XIANG SHUANGLONG, HE RUNLIN, XU LIQIN, TANG LIJUN, WANG CAIYAN, LIAO JIXING, JIANG XUEHUA, LUO FULANG, HE HUA
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2018
• 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 relates to the technical field of fertilizers and particularly relates to a special slow-release fertilizer for peanuts in a saline and alkaline land and a preparation method of the special slow-release fertilizer. The fertilizer comprises the following components: phosphoric acid slurry, diammonium phosphate, potassium carbonate, sodium nitrate, potassium chloride, sulfur, boric acid, fulvic acid, a natural ore fertilizer, a farmyard fertilizer, a biological bacterial powder and a surfactant. By adopting the special fertilizer, the absorption of calcium by peanuts can be promoted, root system development of the peanuts can be promoted, soil structures of the saline and alkaline land can be effectively improved, refractory phosphorus-potassium compounds in soil can be activated and absorbed, soil air permeability can be improved, moreover, root system growth of the peanuts can be stimulated, and diseases and insects in a peanut planting process can be reduced. 本发明涉及肥料技术领域，特别涉及种盐碱地花生专用缓释肥及其制备方法，该