| References AASE, J.K. 1971. Agron. J. 63: 425-428. ARNON, D.I. 1949. Plant Physiol. 24: 1-15. HELWIG, J.T. and COUNClL, K.A. 1979. The SAS user's guide SAS. Inst. Inc. Raleigh, N.C. 494p. JENSEN, N.J. 1957. Agron. J. 49: 529-531. JOHNSON, J.W. and OHKI, K. 1981. Cereal Res. Comm. 4: 311-315. LARIK, A.S., H.M.I. HAFIZ and ARAIN, M.H. 1984. Genet. Agr. 38: 35-42. |
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