contribution rate of fertilization

fertilization rate of IVF

K supplying rate of fertilization

Application rate of mineral fertilizer

Application rate of nitrogen and phosphorus fertilizer

application rate of sewage fertilizer

Contribution rate of fertilizer

contribution rate of field fertility

optimal application rate of fertilizer N

Rate of fertilizer application

rate of fertilizer utilization

Rate of nitrogen fertilizer application

rate of nitrogen fertilizer combination

regional load rate of fertilizer application

the maximum economic rate of N fertilizer application

the optimal fertilization of nitrogen rate

utilization rate of fertilizer

utilization rate of fertilizer N

Utilization rate of N fertilizer NUR