Fertilizer Calculator

Online fertilizer dosage calculator. Calculate NPK amounts, application rates pe...

Areanumbervalue

AreaUnit

commonuse preset

N (%)

P₂O₅ (%)

K₂O (%)

target （kg N / 100 m²）

common use ： 0.1–0.25 kg N/100m²， 0.2–0.5 kg N/100m²。Please workphysicaland tunewhole。

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