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...
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....