TY - BOOK AU - Patel, Kamleshkumar Shantilal, TI - Study on Critical Period of Crop Weed Competition in Rabi Sorghum cv. GJ-38 (Sorghum bicolor L.) Under South Gujarat Condition PY - 2013/// CY - Navsari PB - Agronomy Dept., N. M. C. A. ER -