轮作豆科植物对马铃薯连作田土壤速效养分及理化性质的影响
秦舒浩1,2, 曹莉1,2, 张俊莲1, 师尚礼3, 王蒂1

Effect of Rotation of Leguminous Plants on Soil Available Nutrients and Physical and Chemical Properties in Continuous Cropping Potato Field
QIN Shu-Hao1,2, CAO Li1,2, ZHANG Jun-Lian1, SHI Shang-Li3, WANG Di1
图2 轮作豆科植物后马铃薯产量 1~7表示连作年限, T、L和W分别表示天蓝苜蓿、陇东苜蓿和箭筈豌豆。图中不同小写字母表示处理间差异显著 P 0.05。
Fig. 2 Potato yield by rotation of legume plants The numbers 1-7 represent continuous cropping years, and T, L and W represent Medicago lupulina , common vetch and Longdong alfalfa, respectively. Different small letters in the figure meant significant difference among treatments at 0.05 level.