喷施微肥对西北干旱半干旱区紫花苜蓿品质的影响
王琴, 韩清芳, 贾志宽
Effect of Spraying Trace Element Fertilizers at Different Levels on Alfalfa Quality in Arid and Semiarid Areas of Northwestern China
WANG Qin, HAN Qing-fang, JIA Zhi-kuan
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2008, (4): 408
-411
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DOI: 10.11733/j.issn.1007-0435.2008.04.017