TY  - BOOK
AU  - Shanmukh K Patil
AU  -  T Satyanarayana  Department of Soil Science and Agricultural Chemis
TI  - Studies on the evaluation of suitable chemical extractant for available copper in vertisols of uppwer krishna project area
U1  - 630 
PY  - 1975///
CY  - Dharwad
PB  - University of Agricultural Sciences, Dharwad
ER  -