K. PRAJAPAT, A.K. VYAS, and SHIVA DHAR. “Productivity, Profitability and Land-Use Efficiency of Soybean (Glycine Max)-Based Cropping Systems under Different Nutrient-Management Practices”. Indian Journal of Agronomy 59, no. 2 (October 10, 2001): 229–234. Accessed July 14, 2026. https://pub.isa-india.in/index.php/ija/article/view/4569.