论文部分内容阅读
施肥是农业增产措施之一。随着化肥施用量日益增加,围绕着如何提高肥效和降低农业成本,目前,化肥研究和生产正朝着下列方向发展。①发展复合肥料。②高浓度肥料逐渐代替低浓度
Fertilization is one of the measures to increase agricultural output. With the increasing use of chemical fertilizer around the how to improve fertilizer efficiency and reduce agricultural costs, at present, fertilizer research and production are moving in the following direction. ① development of compound fertilizer. ② high concentration of fertilizer gradually replace the low concentration