PREMACHANDRAN, P N
BENCH MARK SOILS OF KERALA - NEW DELHI, SOIL SUREY ORGANISATION AGRICULTURE DEPARTMENT 2007 - pages 623
LAND DIVERSITY
SOIL TAXONOMY
631.4 SSO/BE
BENCH MARK SOILS OF KERALA - NEW DELHI, SOIL SUREY ORGANISATION AGRICULTURE DEPARTMENT 2007 - pages 623
LAND DIVERSITY
SOIL TAXONOMY
631.4 SSO/BE