fate of N fertilizer

section n-n n-n

fate of N

Amount of N-fertilizer

application methods of N fertilizer

balance of fertilizer-N

Balance of N fertilizer

benefit of N fertilizer

Controlled release of N fertilizer

Deep application of N fertilizer

effciency of N fertilizer recovery

effect of N fertilizer

effect of N-fertilizer

Efficiency of N fertilizer

Heavy application of N-fertilizer

optimal application rate of fertilizer N

plant recovery of fertilizer N

rate of N fertilizer

rate of N fertilizer applied