Agronomic nitrogen utilization efficiency
High nitrogen utilization
High nitrogen utilization ratio
nitrogen utilization
氮素利用
氮吸收
氮素利用率
氮素吸收利用
氮素分配利用
分配利用
氮代谢
N素利用
氮肥
土壤养分
Nitrogen utilization efficiency
氮利用效率
氮素利用效率
氮肥利用率
氮素利用效果
氮素利用率
N素利用效率
N素生理利用效率
利用效率
Nitrogen utilization efficiency for grain producti
Nitrogen utilization efficiency for grain production
Nitrogen utilization rate
Nitrogen utilization ratio
total nitrogen utilization rate
Clean and efficient utilization
Efficient utilization ways
high efficient utilization
rainfall high efficient utilization
Efficiency of feed utilization utilization
combined application of organic nitrogen and nitrogen
nitrogen balance nitrogen equilibium