原平市高产创建玉米示范区肥力现状调查

通过对山西省原平高产创建玉米示范区进行调查分析,主要存在土壤养分偏低、有机肥与化肥施用比例失调、化肥配比不合理、施用方法不当以及秸秆还田技术不规范等问题。建议今后在加大秸秆还田的基础上,增大有机肥的施用量,调整化肥施用比例及方法,适量增施微量锌肥,推进示范区持续高产稳产。

Survey into the Fertility High-yielding of the Demonstration Zone of Corns in Yuanping

A survey into the demonstration zone of high-yielding corns in Yuanping of Shanxi Province reaches a conclusion that there are problems of low soil fertility, imbalanced proportion of organic fertilizers and chemical fertilizers, unreasonable proportion of chemical fertilizers, improper fertilizing and nonstandard technology of straw returning, therefore, it is proposed that, based on the strengthening of straw returning, the use of organic fertilizers should be increased, the proportions and using methods chemical fertilizers should he adjusted and appropriately small amount of zinc fertilizers should be added to promote the continued high and stable yielding of corns in the demonstration zone.