苜蓿和小麦长期连作对土壤酶活性及养分的影响

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张丽琼1,2,郝明德1,3**,臧逸飞1,李丽霞4

Effects of continuous cropping of wheat and alfalfa on soil enzyme activities and nutrients.

ZHANG Li-qiong1,2, HAO Ming-de1,3, ZANG Yi-fei1, LI Li-xia4

应用生态学报 . 2014, (11): 3191 -3196 .