施氮量和密度互作对全覆膜旱作甜菜光合特性和块根产量的影响

闫威,李国龙,李智,曹阳,张少英

Effects of Nitrogen Application Rate and Planting Density Interaction on Photosynthetic Characteristics and Root Yield of Sugar Beet under Full-Film Mulching in Arid Regions

Wei Yan,Guolong Li,Zhi Li,Yang Cao,Shaoying Zhang

图1 施氮量和密度对全覆膜旱作甜菜产量的影响

Fig.1 Effects of nitrogen application rate and planting densities on yield of sugar beet under full-film mulching in arid regions