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武威市自1984年开始推广配方施肥,为了不断改进配方施肥技术,验证配方施肥效果,1984—1986三年来,武威市农技推广中心在多点组织实施了配方施肥验证试验。一、试验实施情况三年中全市共安排试验318个,主要分布在武威市的黄羊、武南、清源、永昌、双城等31个乡镇。试验统一按简单对比法进行,不设重复,小区面积不小于0.5亩。处理是:①习惯施肥(CK),施肥量按当地前三年施肥水平实施。②配方施肥,根据土壤普查结果,参
Since 1984, Wuwei City, promotion of formula fertilization, in order to continuously improve the formula fertilization technology to verify the effect of formula fertilization, 1984-1986 three years, Wuwei City Agricultural Technology Promotion Center at multiple points to implement the formula fertilizer validation test. First, the implementation of the test Three years the city arranged a total of 318 tests, mainly in Wuwei City, Huangyang, Wu Nan, Qingyuan, Yongchang, Twins and other 31 townships. Uniform test by simple comparison method, no duplication, the plot area of not less than 0.5 acres. Treatment is: ① accustomed to fertilization (CK), the amount of fertilizer by the local implementation of fertilization levels the first three years. ② formula fertilization, according to the results of soil census, reference