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The effect of nitrogen rates and sources on leaf production, nitrate accumulation. and thiocyanate content in kale and collard (Brassica Oleracea var. Acephala, D.C.) leaves
(1987)
Two experiments were conducted between August
1986 and March 1987 at the Field Station of
Faculty of Agriculture, Kabete Campus, University
of Nairobi, to study the effect of rates and sources
of nitrogen (N) on leaf ...