TY  - BOOK
AU  - Sudhir Kumar Jitti
AU  -  Manjunath Hebbara  Department of Soil Science and Agricultural Chemis
TI  - Refinement of existing soil test based npk recommendation for yield maximization in irrigated maize
U1  - 630 
PY  - 2012///
CY  - Dharwad
PB  - University of Agricultural Sciences
ER  -