“国力”牌 891抗旱矿肥主要是利用岩矿的特殊晶体结构和极强的吸附性能 ,经过特殊加工而成的矿物肥料 ,该矿肥集植物生长所需的大量微量营养元素及其它的有益元素于一体 ,保水保肥能力强。据有关资料介绍 ,该产品含有农作物生长所需的几乎所有的营养成分 ,如Ｐ、Ｋ、Ｓｉ、Ｃ “Guoli” brand 891 drought-resistant mineral fertilizer mainly utilizes the special crystal structure of rock and ore and its strong adsorption performance. It is specially processed mineral fertilizers, which collect a great deal of micronutrients and other beneficial materials for plant growth Elements in one, water and fertilizer ability. According to the information introduced, the product contains almost all the nutrients required for crop growth, such as P, K, Si, C