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Research of Precision Application Techniques of Fertilizers on Leek
Feng Wuhuan, Sun Shengxue, Yu Shifeng, Zhang Wenxue, Zhu Yongli, Sun Hongbo, Feng Yuanbo
Chinese Agricultural Science Bulletin . 2007, (5): 246 -246 .  DOI: 10.11924/j.issn.1000-6850.0705246