TY - BOOK AU - B.S. Sree Ramu AU - K.R. Thimmaraju Department of Horticulture TI - Studies on the effect of levels of nitrogen and row spacings on growth, yield and quality in roselle (Hibiscus sabdariffa L. var U1 - 630 PY - 1988/// CY - Bangalore PB - University of Agricultural Sciences, Bangalore ER -