best fertilization amount

Recommendation fertilization amount

Recommended fertilization amount

Amount of application N fertilizer

Amount of fertilization

amount of fertilizer application

Amount of N fertilization

amount of p fertilizer application

application amount of potassium fertilizer

density and amount of fertilizer application

determination of fertilizer amount by soil water supply

Fertilization application amount

fertilizer application amount

Maximum fertilizer application amount

Nitrogen fertilizer application amount

Optimum amount of fertilization

optimum fertilizer application amount

P fertilizer application amount

Phosphoric fertilizer application amount