Determination of optimum dose and frequency of application of free-living diazotrophs (FLD) on lettuce
M. H. Kifle1* and M. D. Laing
Discipline of Plant Pathology, School of Agricultural Science and Agribusiness, University of KwaZulu-Natal, Private Bag X01, Scottsville 3209, Pietermaritzburg, South Africa.
Email: [email protected]