Mapping Potassium Budgets Across Different States of India

Dutta, Sudarshan; Majumdar, Kaushik; Khurana, H. S.; Sulewski, Gavin; Govil, Vidhi; Satyanarayana, T.; Johnston, Adrian
March 2014
Better Crops with Plant Food;2014, Vol. 98 Issue 1, p6
Potassium input-output balances in different states of India were estimated and mapped using the IPNI NuGIS approach. Results showed negative K balances in most of the states suggesting deficit K application as compared to crop K uptake. Deficit application of K contributes to nutrient mining from soil, results in the depletion of soil fertility, and may significantly limit future crop yields.


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