SEEMA SEPAT and D.S. RANA 2001. Effect of double no-till and permanent raised beds on productivity, profitability and physical properties of soil in maize (Zea mays)wheat (Triticum aestivum) cropping system under Indo-Gangetic plains of India. Indian Journal of Agronomy. 58, 4 (Oct. 2001), 469–473. DOI:https://doi.org/10.59797/ija.v58i4.4252.