TY  - BOOK
AU  - Govinda Rajan, S.V.
TI  - Soil and crop productivity; a hand book for the use of workers in agriculture extension, vocational agriculture and farmers in India
U1  - 631.41:633.002 L1;1 
PY  - 1971///
CY  - New York
PB  - Asia Publishing
KW  -  S.V.Govinda Rajan and H.G.Gopala Rao.
KW  - Gopala Rao, H.G.
KW  - Soil composition-India,Soil classification-India,Plant-soil relationships,Soil testing-India
ER  -