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一、范围本规程适用于以小麦玉米一年两熟为主体的夏玉米区,每667平方米(1亩)产量在600～900千克的地块,其他自然生态要素与平原县相似的夏玉米区亦可参考使用。二、土壤基础条件土壤肥沃,有机质含量1%以上,碱解氮含量80毫克/千克以上,速效磷含量20毫克/千克以上,速效钾含量100
I. Scope This procedure is applicable to the summer maize area mainly consisting of two crops of wheat and corn each year, with a yield of 600 to 900 kg per 667 m2 (1 mu). Other summer maize with similar natural and ecological elements as the plain District can also refer to the use of. Second, the basic conditions of soil Fertile soil, organic matter content of more than 1%, nitrogen content of 80 mg / kg or more, available phosphorus content of 20 mg / kg or more, available potassium 100