crop nutrition diagnosis  作物营养诊断

circulation of nutrients of soil-crop system  土壤—作物系统养分循环

crop nitrogen nutrition  氮素养分

feed crop of after crop  后浊料罪

grain crop-cash crop-forage rotation  粮经饲三元结构

A REVIEW TO TREE-CROP INTERCROPPING IN CHINA  中国农林间作研究综述; 凡职安局信纳─

ability of salt-tolerance of crop  作物耐盐力

Above ground standing crop  地上现存量

Aboveground standing crop  地上现存量

accumulated temperature of crop  罪积温

Actual evapotranspiration on crop fields  农田实际蒸散量

adjustable crop calendar  可碉历

ADJUSTMENT OF CROP DISTRIBUTION  作物布局调整

Aggressivity of intercropped crop  间作作物竞争力

agricultral crop  农作物

agricultural crop  农作物

agricultural crop structures  种植结构

agro-meteorological prediction of crop yield  农业产量气象预测

agronomy crop  农艺作物; 动态电压恢复器