GUPTA, A K VARSHNEY, M L
PRACTICAL MANUAL FOR AGRICULTURAL CHEMISTRY-PART 1 - 2 - LUDHIANA, KALYANI 1997 - pages 222
ANALYSIS OF FERTILISERS AND MANURES
GRAVIMETRIC ANALYSIS
IDENTIFICATION OF ORGANIC COMPOUNDS
VOLUMETRIC ANALYSIS
540 GUP/PR
PRACTICAL MANUAL FOR AGRICULTURAL CHEMISTRY-PART 1 - 2 - LUDHIANA, KALYANI 1997 - pages 222
ANALYSIS OF FERTILISERS AND MANURES
GRAVIMETRIC ANALYSIS
IDENTIFICATION OF ORGANIC COMPOUNDS
VOLUMETRIC ANALYSIS
540 GUP/PR