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Nodulation of Medicago sativa in solution culture[J] . D. N. Munns.Plant and Soil . 1968 (1)
[2]
1965:No dulation of Trifolium alexandrinum in vitro and nitrate effect on the amino acid composition of the plant and its root exudate. Subra Rao,N.S.and Vasantha,P. Canad.J.Bot .