施钾对甘薯根系生长和产量的影响及其生理机制
汪顺义, 李欢, 刘庆, 史衍玺*

Effect of Potassium Application on Root Grow and Yield of Sweet Potato and Its Physiological Mechanism
WANG Shun-Yi, LI Huan, LIU Qing, SHI Yan-Xi*
施钾对甘薯根系活力的影响