长期耕作对半干旱区人工沙质稻田土壤理化性质及酶活性的影响

丛安琪, 詹瑾, 王宁, 张铜会, 刘新平

Effects of long-term cultivation on soil physicochemical properties and enzyme activities of artificial sandy paddy field in semi-arid region

Anqi Cong, Jin Zhan, Ning Wang, Tonghui Zhang, Xinping Liu

图1 耕作年限对人工沙质稻田土壤有机质和全氮含量的影响 注：不同字母表示相同土层同一指标差异显著（P<0.05）

Fig.1 Effects of various cropping years on soil organic matter and total nitrogen content in artificial sandy paddy