SING, A K
PRODUCTION TECHNOLOGY ON BIO-ORGANIC FARM INPUTS - LUCKNOW, INTERNATIONAL BOOK DISTRIBUTING CO. 1965 - pages 184
AZZOLA
BIOFERTILIZER
BIO-PESTICIDE
COMPOSTING
NURSERY DEVELOPMENT
SOIL MANAGEMENT
VERMICOMPOSTING
630 SIN/PR
PRODUCTION TECHNOLOGY ON BIO-ORGANIC FARM INPUTS - LUCKNOW, INTERNATIONAL BOOK DISTRIBUTING CO. 1965 - pages 184
AZZOLA
BIOFERTILIZER
BIO-PESTICIDE
COMPOSTING
NURSERY DEVELOPMENT
SOIL MANAGEMENT
VERMICOMPOSTING
630 SIN/PR