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高产地区小麦施钾效果侯高礼（扶风县农技中心７２２２００）渭河川道属关中高水肥地区，粮食产量水平较高。长期以来化肥施用以氮磷为主，不施钾肥，致使土壤中钾素养分得不到补充，氮、磷、钾比例失调。据扶风县农技中心１９９１年对该县土壤全面调查，其速效钾的含量较...
Potassium effect in high-yielding wheat Hou Gaoli (Fufeng County Agricultural Technology Center 722200) Wei River is Guanzhong high water and fertilizer area, the higher the level of grain output. Long-term use of chemical fertilizers to nitrogen and phosphorus-based, non-potassium fertilizer, resulting in soil potassium nutrients are not supplemented, nitrogen, phosphorus and potassium imbalance. According to Fufeng County Agricultural Technology Center in 1991 a comprehensive survey of the soil in the county, the quick-acting potassium content than ...