TY - BOOK AU - Kharkar,R.T. TI - Critical study of the effect of various doses of nitrogen, phosphorus and their combinations on tehe growth, uptake and yield of hybrid maize-ganga-101." KW - Breeding methods KW - Heterosis KW - Hybrids KW - Introgression KW - Plant products KW - Crop yields KW - Seed yields KW - Biological development KW - Growth factors N1 - Biological development; Growth factors; Punjabrao ER -