旱田磷肥的合理施用旱田施用磷肥时，因磷肥在土壤中移动较小，最好与农家肥混合作种肥。如作基肥时，要集中施在作物根系密集的耕层里，便于作物吸收利用，减少土壤固定。生育阶段诊断出缺磷，可采用速效过磷酸钙进行追肥。磷肥后效期长，施肥越多，后效越长。当前磷肥不... Rational application of upland phosphate fertilizer When applied phosphate fertilizer in the dryland, because of the small movement of the phosphate fertilizer in the soil, it is best to mix with the farm fertilizer for seed fertilizer. As a base fertilizer, it is necessary to focus on crop roots in intensive plow, easy crop absorption and utilization, reduce soil fixation. Diagnosis of phosphorus deficiency during fertility stage, can be used to super-calcium phosphate fertilizer. Phosphate fertilizer after a long period, the more fertilization, the longer the effect. The current phosphate fertilizer is not ...