TY  - BOOK
AU  - K. Venkatasheshagiri
AU  -  H.M. Manjunathaiah  Department of Soil Science and Agricultural Chemis
TI  - Studies on effect of zinc enriched farmyard manure on maize (Zea mays L.) in vertisol`
U1  - 630 
PY  - 1993///
CY  - Dharwad
PB  - University of Agricultural Sciences, Dharwad
ER  -