Nutrient balance between N, P, and K in flue-cured tobacco production under different preceding crops planting.
LIU Feng1, ZHAO Zheng-xiong1, LI Zhong-huan2, GAO Fu-hong2, WANG Guang-lin2, ZHOU Gui-su1, NIE Ji-mei1, PENG Yun2
1Yunnan Joint Education & Training Base for Postgraduates in Tobacco Field, College of Tobacco Science, Yunnan Agricultural University, Kunming 650201, China;2Kunming Tobacco Company, Yunnan Tobacco Company, Kunming 650051, China