TY - BOOK AU - D.N. Tyagi TI - Physiological approaches for crop improvement SN - 81-900569-0-5 U1 - 581.1 PY - 1995/// CY - Varanasi PB - Rajeshwari Publications N1 - D.N. Tyagi: Physiological approaches for crop improvement. Varanasi. Rajeshwari Publications, 1995. 81-900569-0-5--(581.1TYA) ER -