Complete fertilizer N-P-K (14-14-14) refers to 14% Nitrogen, 14% Phosphorus and 14% Potassium = 7kg N - 7kg P2O5 - 7kg K2O in a 50kg sack package. 14%+14%+14%=42% total plant food
100%-42%=58% carrier
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What is in 1152 fertilizer and how much of ecah ingredient?
The three numbers on a bag of fertilizer indicate the percentage of nitrogen, phosphorus, and potassium available. So in the case of 0,0,60 fertilizer, there is 60% potassium available with no nitrogen & phosphorus.
PF = ( 4.5 lb / 1000 sq ft ) ( 2500 sq ft ) = 11.25 lb fertilizer needed
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mathematics is used in agriculture when there are situations such as quantity of water and fertilizer to be applied.