TY  - BOOK
AU  - K T Vijaykumar
AU  -  A A Patil  Horticulture
TI  - Studies on the effect of plant density and nitrogen on growth and flower production of china aster (Callistephus chinensis Nees)
U1  - 630 
PY  - 1989///
CY  - Dharwad
PB  - University of Agricultural Sciences, Dharwad
ER  -