TY - BOOK AU - Theerthaya S. Chikkamath AU - J.H. Kulkarni Department of Agricultural Microbiology TI - Influence of neem and karanja extract coated urea on soil nityrification, plant growth andyield of maize (Zea mays L.) U1 - 630 PY - 1997/// CY - Dharwad PB - University of Agricultural Sciences, Dharwad ER -