Reference
Arunin et al., 1987. In: Green manure in rice farming. The role of green manure crops in rice farming systems. Proc. Symp. sustainable agriculture: 25-29 may 1987, International Rice Research Institute
Arunin et al., 1987. In: Green manure in rice farming. The role of green manure crops in rice farming systems. Proc. Symp. sustainable agriculture: 25-29 may 1987, International Rice Research Institute