如何施用磷肥刘淑新土壤中的磷一般不能满足作物需要，必须通过施肥来补充。但磷肥有它的特点，根据它的特点施，才能达到预期效果。早施：农作物的苗期吸收磷最快，要占生长期吸收总磷量的一半。若苗期缺磷，影响后期生长。即使后期再补施，也很难挽回苗期缺磷的损失，故... How to use phosphate fertilizer Liu Shu new soil phosphorus generally can not meet the needs of crops, must be supplemented by fertilization. However, phosphate fertilizer has its own characteristics, according to its characteristics Shi, in order to achieve the desired results. As early as: the crop seedlings absorb phosphorus fastest, accounting for half of the total amount of phosphorus absorbed during the growing season. If the seedling lack of phosphorus, affecting the late growth. Even if the late replenishment, it is difficult to restore the loss of phosphorus in seedling stage, so ...