TY  - BOOK
AU  - H.J. Thippeswamy
AU  -  B.S. Bhargava  Department of Soil Science and Agricultural Chemis
TI  - Leaf sampling guide and nutrient norms for yield and quality in relatin to applied sulphur to onion (Allium cepa L.)
U1  - 630 
PY  - 1993///
CY  - Bangalore
PB  - University of Agricultural Scineces, Bangalore
ER  -