use efficiency of fertilizer-nitrogen
nitrogen use efficiency
plant recovery of fertilizer N
Nitrogen fertilizer recovery
Nitrate
the utilization rate of nitrogen
Use efficiency of N fertilizer
Fertilizer-nitrogen use efficiency
Nitrogen recovery
N recovery efficiency
15)N utilization
utilization efficiency of N
Nitrogen using ratio
N recovery
overground part
nue
N recovery rate
nitrogen recovery efficiency
Absorption
Efficiency of N fertilizer
Utilized coefficientofnitrogen fertilizer
Fertilizer-N use efficiency
utilization efficiency of nitrogen fertilizer
N-utilization efficiency
nitrogen fertilizer use efficiency
N fertilizer use efficiency
nitrogen use efficient
utilization rate of nitrogen
apparent N recovery
NUR
effciency of N fertilizer recovery
water use efficiency
Nitrogen efficiency
utilization efficiency of fertilizer-N
apparent recovery efficiency of applied N
N absorption amount
Fertilizer N recovery
efficiency of fertilizer
N use efficiency
Apparent nitrogen recovery rate
recovery of nitrogen fertilizer
Nitrogen fertilizer utilization efficiency
nitrogen fertilizer utilization
Nitrogen utilization efficiency
Nitrogen utilization rate
utilization ratio of nitrate
N-fertilizer use efficiency
Use rate of nitrogen
N using efficiency
N utilization efficiency
N utilization rate
Nitrogen use recovery
N-fertilizer utilization rate
Recovery efficiency
recovery of N fertilizer
utilization rate of fertilizer N
fertilizer nitrogen use efficiency