覆盖作物及其作用的研究进展
蹇述莲, 李书鑫, 刘胜群, 李向楠

Research advances of cover crops and their important roles
JIAN Shu-Lian, LI Shu-Xin, LIU Sheng-Qun, LI Xiang-Nan
图1 在主栽作物(白色)中种植覆盖作物(黑色)的主要模式[6]
Fig. 1 Main pattern of planting cover crops (in black block) in the main crop cultivation system (in white block) [6]