【摘要】 阐述了磷石膏的基本特性及其在农业上的作用.其主要元素对作物不但无害而且有益.它能改良盐碱地,提高土壤渗水率,又是酸性心土层的改良剂,并含硫、钙、硅、磷等植物营养元素,还可作为氮肥添加剂以提高肥效,故其在农业上的应用,具有广阔的前途.更多还原

【Abstract】 The fundamental characteristics of phosphorus gypsum and its actions on agriculture have been narrated in the article. Its main elements are beneficial to crops. It can reform saline-alkali soil; enhance soil’s permeability; and it’s also a reforming agent for acidic soils. The S, Ca, Si, and P are all nourishing elements to crops. It can slso be used as an aditive to nitrogenous fertilizers on raising fertilizer effect. The title product has broad prospects in agricultural uses.更多还原