Yago, Jonar I. <br/><br/>
Evaluation of Sesbania(Sesbania rostrata) and Indigo (Indigofera tinctoria) as green manures under different levels of management on rainfed lowland rice 
Jonar I. Yago 
 -  1998 
 - xvii, [113] leaves  28 cm. 
<br/><br/> Thesis (M.S. Agriculture-Agronomy) -- Mariano Marcos State University-Graduate School, Laoag City 
<br/><br/>Bibliography: leaves 110-113