TY  - GEN
AU  - Thampan, P.K.
TI  - Organics in soil health and crop production
SN  - 8190034006
U1  - 631.86 THA 
CY  - Cochin, Peckay tree crops development foundation
KW  - Organic manures - crop production/ biofertiliser - agriculture/ vermiculture
ER  -