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本试验旨在适宜氮肥用量情况下 ,研究磷、钾肥的不同配比和运筹方法 ,探索高产小麦肥料投入的合理模式 ,以达到较高的经济效益。1材料与方法试验于 2 0 0 0年秋播在我市周市镇创乐村进行 ,土壤养分含有机质 3.2 8% ,全氮 0 .17% ,碱解氮15 2 .0ｍｇ/ｋｇ ,速效磷 10 .8ｍｇ/ｋ
The purpose of this experiment is to study the suitable proportion of phosphorus and potassium fertilizers and research methods to explore the reasonable mode of high-yield wheat fertilizers in order to achieve higher economic benefits under the condition of suitable amount of nitrogen fertilizer. 1 Materials and methods The experiment was conducted in the autumn of 2000 in the village of Chongle Village, Zhoushi Town of our city. Soil nutrients contained 3.2 8% of organic matter, 0.17% of total nitrogen, 15 2 .0 mg / kg of basic nitrogen, 10.8 mg / k