fertilizer application amount
Maximum fertilizer application amount
Nitrogen fertilizer application amount
optimum fertilizer application amount
P fertilizer application amount
Activated phosphoric fertilizer
rate of phosphoric fertilizer
additional fertilizer amount
amount of fertilizer application
amount of p fertilizer application
application amount of potassium fertilizer
Applied N-fertilizer amount
Balance Fertilizer Application
Balanced fertilizer application
Chemical fertilizer application
Chemical fertilizer application rate