长期定位施肥对小麦玉米间作土壤酶活性的影响
马忠明, 杜少平, 王平, 包兴国
EFFECTS OF LONG-TERM LOCATED FERTILIZATION ON SOIL ENZYMATIC ACTIVITIES FOR WHEAT-MAIZE INTERCROPPING IN IRRIGATED DESERT SOILS
MA Zhong-ming, DU Shao-ping, WANG Ping, BAO Xing-guo
J4 . 2011, (4): 796 -801,823 .  DOI: 10.11869/hnxb.2011.04.0796