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中国农学通报
小麦-玉米周年轮作制下的控释肥及控释BB肥肥效试验研究
孙克刚,和爱玲,李丙奇,胡 颖
Study on the Effect of the Controlled Released Urea on Wheat---Corn
Sun Kegang, He Ailing, Li Bingqi, Hu Ying
中国农学通报 . 2009, (12): 150 -154 .  DOI: 10.11924/j.issn.1000-6850.2009-0270