Citation: Mt. Abberton et al., Nitrogen fixation in hybrids of white clover (Trifolium repens L.) and Caucasian clover (Trifolium ambiguum M. Bieb), J AGRON CR, 185(4), 2000, pp. 241-247
Citation: Mt. Abberton et al., Nitrogen fixation by hybrids of white clover (Trifolium repens L.) and Trifolium nigrescens, J AGRON CR, 183(1), 1999, pp. 27-33