不同生长因素变化对小麦产量及品质的影响——以驻马店市近10年小麦生产情况为例

朱统泉, 宋全昊, 孟祥锋

Influences of Various Growth Factors on Yield and Grain Quality in Wheat——Taking Zhumadian’s Wheat Production in the Past Ten Years as Example

Zhu Tongquan, Song Quanhao, Meng Xiangfeng

图5 耕层土壤有机质、全氮、速效磷和速效钾含量变化

Fig.5 Variation tendency of the contents of organic substance, total nitrogen, available phosphorus and available potassium in surface soil