Barrier of continuous cropping  连作障碍

Barrier to continuous cropping  连作障碍

Chinese chives’ continuous cropping  韭菜连作; 河流

continuous continuous casting  全连铸

continuous cropping  连作障碍; 连续栽培; 大豆; 烟田连作; 重茬; 连作连种; 连作栽培; 连栽; 轮作; 连作

continuous cropping alfalfa grassland  连作苜蓿草地

continuous cropping and alternate cropping  重迎茬

Continuous cropping barrier  连作障碍

Continuous cropping manure  连作肥

Continuous cropping obstacle  连作障碍

Continuous cropping obstacles  连作障碍; 土壤连作障碍

Continuous cropping of corn  玉米连作

continuous cropping of cotton  棉花连作

Continuous cropping of maize  玉米连作

Continuous cropping patterns  连作方式

continuous cropping plantation  连作人工林

continuous cropping problem  连作障碍

Continuous cropping soil  连作土壤

Continuous cropping soybean  连作大豆