Radhakrishnan, A.S. and Mathew, J. 2010. <i>In situ</i> green manuring with daincha (<i>Sesbania aculeata </i>Pers.): a cost effective management alternative for wet seeded rice (<i>Oryza sativa </i>L.). Journal of Tropical Agriculture. 48, 2 (Dec. 2010), 34–39.