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磷素是农作物所必需的大量元素之一,磷肥在怍物增产中的重要作用和地位已成共识。我区在当前生产条件下,磷肥施用不足和使用不当是制约产量提高的一个重要因素。据调查,现在磷肥的利用率仅为15%～18%。所
Phosphorus is one of a large number of elements necessary for crop production. The important role and status of phosphate fertilizer in crop production has become the consensus. Under the current production conditions in our district, inadequate and improper use of phosphate fertilizer is an important factor restricting the output increase. According to the survey, the utilization rate of phosphate fertilizer is only 15% ~ 18% now. The