Subasinghe, S.Dayathilake, G.A.Senaratne, R.2012-04-102012-04-102001Tropical Agricultural Research and Extension4(2)pp.108-111https://dl.nsf.gov.lk/handle/1/8062AgricultureVigna unguiculataCowpeaNitrogen fertilizersCrop yieldNitrogen fixationPlant growthEffect of inoculation and N application on growth, yield, nodulation and N fixation of cowpea (Vigna unguiculata )Article