%0 Journal Article %@ 0014-4797 %A Nambiar, P T C %A Rao, M R %A Reddy, M S %A Floyd, C N %A Dart, P J %D 1983 %F icrisat:6862 %I Cambridge University Press %J Experimental Agriculture %K Intercropping, Nodulation, N2-fixation, Groundnut %N 1 %P 79-86 %T Effect of intercropping on nodulation and N2-fixation by groundnut %U http://oar.icrisat.org/6862/ %V 19 %X Nodulation and N2-fixation of groundnuts were studied in pure stands and intercropping systems. Intercropping with maize, sorghum or Pennisetum americanum reduced nodulation and N2-fixation. This is ascribed to shading of groundnuts by cereals and the consequent decrease in photosynthesis of the legume canopy.