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- Kumar, Omkar [remove] 7
- 631.405 5
- Agricultural chemistry -- Periodicals 5
- Plants -- Chemical analysis -- Periodicals 5
- Soil science -- Periodicals 5
- 575.76 1
- 630.5 1
- Alfisols -- leaching loss -- lysimeter -- nutrient management -- nitrogen -- phosphorus -- potassium 1
- Biochar -- micronutrients uptake -- rice -- sewage sludge -- yield 1
- Critical limit -- extractants for B -- Inceptisols -- mustard 1
- Critical limit -- extractants for Ni -- Inceptisols -- barley 1