15839
Gupta, P.K.
A handbook of soil, fertilizer and manure
Jodhpur
Agrobios
2004
591p.: ill
P.K. Gupta
2nd enl. ed
Handbooks, manuals, etc ، Soil science
Handbooks, manuals, etc ، Fertilizers
Handbooks, manuals, etc ، Manures
S
591
.
G87
2004
AU
TI
CL
