Gupta, P. K..
A handbook of soil, fertilizer and manure /
P. K. Gupta
- 2nd edition
- 564p. : ill.
Includes glossary
9788177544152
Soils -- Handbooks, manuals
Fertilizers -- Handbooks, manuals
Manures -- Handbooks, manuals
Fertilizers.
Manures.
Soils.
S591 GUP 2012