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随着水稻氮、磷肥施用量的大幅度增加,稻田缺钾问题日趋严重,大面积增施钾肥已成为水稻(尤其杂交晚稻)高产、稳产的重要技术措施,尤其是近两年配方施肥技术的大面积推广,如何根据本地资源优势和生产特点,探索新的施钾途径,是当前农技工作的重要课题。现将试验结果报导于后。
With the significant increase of nitrogen and phosphorus fertilizers, the problem of potassium deficiency in rice fields is becoming more and more serious. Large-area application of potassium fertilizer has become an important technical measure for high yield and stable yield of rice (especially late hybrid rice), especially in the past two years Large-scale promotion, how to explore new ways of applying potassium according to local resource advantages and production characteristics is an important issue of agricultural technology. Now test results reported later.