KHICHAR , M. L., RAM NIWAS, and S. D. ATTRI. 2009. “THERMO-HYGRO ENVIRONMENT, GROWTH AND YIELD OF WHEAT UNDER VARYING SOWING TIMES AND PLANTING SYSTEMS”. MAUSAM 60 (2):230-34. https://doi.org/10.54302/mausam.v60i2.1075.