the long-term effects of fertilizers肥料的长远影响Crushed bones make one of the best fertilizers.骨粉是最佳肥料之一.The use of pesticides and fertilizers produces cheap grain and vegetables.使用杀虫剂和化肥生产出廉价的谷物和蔬菜....
Crushed bones make one of the best fertilizers.骨粉是最佳肥料之一.Losses of Ca and Mg are accelerated by fertilizers which supply nitrate, sulphate and chloride.在施用硝酸盐 、 硫酸盐和氯化物的情况下会加速钙和镁的损失.inorganic fertilizers无机肥料Also, the ant...