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冀中南旱作农业区小麦专用肥的应用研究徐庆明（河北省冀县农化服务中心０５３２００）中图分类号Ｓ１４３．５通过５年的小麦田间试验，１９９１年总结出我地区小麦专用肥的合理配比为Ｎ∶Ｐ２Ｏ５∶Ｋ２Ｏ＝１∶０．８∶０．４５。我们研制专用肥就以此配方作为依据。但...
Study on Application of Wheat Special Fertilizer in Upland Agricultural Zone of Central South China Xu Qingming (Hebei Ji County Agrochemical Service Center 053200) Through 5 years of wheat field experiment, in 1991, summed up the reasonable of wheat special fertilizer in our region The ratio is N: P2O5: K2O = 1: 0.8: 0.45. We developed special fertilizer on the basis of this formula. but...