长期施肥及不同施肥条件下秸秆覆盖、灌水对土壤酶和养分的影响
王改玲, 李立科, 郝明德, 洪坚平
EFFECT OF LONG-TERM FERTILIZATION, STUBBLE MULCH AND IRRIGATION UNDER DIFFERENT FERTILIZATION ON SOIL ENZYME AND SOIL NUTRIENTS
WANG Gai-ling, LI Li-ke, HAO Ming-de, HONG Jian-ping
J4 . 2012, (1): 129 -134,27 .  DOI: 10.11869/hnxb.2012.01.0129