TY  - BOOK
AU  - Farid Abdel Aziz El-Sayed Hellal
AU  -  H.T. Channal  Department of Soil Science and Agricultural Chemis
TI  - Iron management practices for groundnut-maize cropping sequence in calcareous vertisol
U1  - 630 
PY  - 2004///
CY  - Dharwad
PB  - University of Agricultural Sciences, Dharwad
ER  -