In the case of organic carbon 0.50-0.75 lies in the medium range similarly what is the standard range of potassium in the soil?
Soil rating chart for available potassium is as following,
Low Medium High
280 kg
Find the attachment for other macro nutrients like N and P
I do agree with Arindam Sarkar.
These days , we vividly talk of crop-based soil test values , instead any such vague values of low, medium and high , hardly has any field application .
Less than 120 kg/ha then Low
120 to 240 kg/ha is medium
More than 240 kg/ha is high
what is the source of these values(reference any paper) Arindam Sarkar
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