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对河南省主要土壤耕层21个样区的土样有效养分含量进行测定分析,结果表明:河南省主要土壤耕层的有机质含量稍缺;有效氮含量中等;有效磷含量稍丰;有效钾含量丰富;有效铜含量丰富;有效锌含量缺乏。
The results showed that the main soil tillage in Henan Province had a little organic matter content, medium available nitrogen content, slightly effective phosphorus content, and effective potassium content Abundant; Rich in available copper; Lack of effective zinc content.