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SPECIAL FILM-COATED RELEASE CALCIUM FERTILIZER FOR PEANUT AND PREPARATION PROCESS THEREOF

机译:花生专用薄膜包膜钙肥及其制备方法

摘要

A special film-coated controlled release calcium fertilizer for peanut includes a three-layer structure. Raw materials in an inner layer include calcium nitrate, humic acid, seaweed extract and adhesive. Raw materials in an intermediate layer include calcium nitrate, urea formaldehyde powder and chitosan oligosaccharide. Raw materials in an outer layer include urea formaldehyde powder and fermented livestock and poultry manure. The special controlled release calcium fertilizer for peanut releases Ca since the pod-bearing stage after the basal application. The coating film is a biodegradable film, releases calcium since about 50 days after application into soil.
机译:用于花生的特殊薄膜包衣控释钙肥包括三层结构。内层的原料包括硝酸钙,腐殖酸,海藻提取物和粘合剂。中间层中的原料包括硝酸钙,脲醛粉和壳聚糖低聚糖。外层的原料包括尿素甲醛粉和发酵的畜禽粪便。花生的专用控释钙肥从基施后的豆荚期开始释放钙。涂膜是可生物降解的膜,自施用到土壤中约50天以来释放钙。

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