TY - BOOK AU - Joshi, A K AU - Singh, B D TI - Seed science and technology SN - 8127212253 U1 - 575.68 PY - 2003/// CY - Ludhiana PB - Kalyani Publishers KW - Improved seed KW - Seed structure and composition KW - Dormancy KW - Germination KW - Seed and seedling vigour ER -