TY  - BOOK
AU  - GOVINDA RAJAN, S.V
TI  - Soil and crop productivity: a handbook for the use of workers in agricultural extension, vocational agriculture and farmers in India
U1  - 631.4 G60S 
PY  - 1971///
PB  - Bombay
KW  - SOIL SCIENCE
KW  - PLANT SOIL RELATIONSHIP
ER  -