1. Becker, M., Ladha, J.K., 1997. Synchronising residue N mineralisation with rice N demand in flooded conditions. In: Cadisch, G., Giller, K.E. (Eds.), Driven by Nature. Plant Litter Quality and Decomposition. CAB International, Wallingford, UK, pp. 231–238
2. Green manure technology: potential, usage and limitations. A case study for lowland rice;Becker;Pl. Soil,1995
3. Bhattarai, S., Maskey, S.L., Karki, T.B., 1992. Effect of different sources of green manure on the yield of rice. Proceedings of the 17th National Summer Crop Workshop, 29–31 January, 1992. NARC, Kathmandu, pp. 161–167
4. Nitrogen dynamics and management in rice-legume cropping systems;Buresh;Adv. Agron.,1991
5. Lowland rice response to urea following three cowpea cropping systems;Buresh;Agron. J.,1989