N fixation and N transfer in maize/cowpea and sorghum /cowpea intercropping systems as determined by 15N isotope dilution technique

Dayatilake, G.A.Subasinghe, S.Senaratne, R.2012-04-102012-04-102000Tropical Agricultural Research and Extension3(1)pp.46-49https://dl.nsf.gov.lk/handle/1/8126AgricultureNitrogen fixationNitrogen transferIsotope dilution techniqueNuclear techniquesIntercropping systemsN fixation and N transfer in maize/cowpea and sorghum /cowpea intercropping systems as determined by 15N isotope dilution techniqueArticle