TY - BOOK AU - Jayasinghe C K AU - Kulasooriya S A AU - Parker C A TI - Seasonal variations in nodule activity of Pueraria Phaseoloides (Roxb) Benth PY - 1990/// PB - Journal of the Rubber Research Institute of Sri Lanka KW - Dry matter KW - Nitrogen content KW - Nitrogenase activity KW - Nodule activity KW - Pueraria KW - Seasonal variation ER -