Effective Analysis of Planting Density and Nitrogen Levels on Physical Properties of Upper Paddy-tobacco
QI Yong-jie1, DENG Xiao-hua2*, XU Wen-bing1, LUO Jian-qin1, HUANG Chong-jun1, HUANG Cong-guang1, LI Hong-guang3, WANG Sheng-cai3
Journal of Agricultural Science and Technology . 2016, (6): 129 -137 .  DOI: 10.13304/j.nykjdb.2016.147

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