Effect Of Farmyard Manure and Can On Yield and Quality of Amaranthus Lividus in Lugari District

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Hutchinson,M. J.
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The main objective of this study was to evaluate the effect of Fann Yard Manure (FYM) and calcium ammonium nitrate (C.A.N) on vegetative growth, leaf yield, vitamins A and C as well as nitrates (anti-nutrients) content of amaranth vegetable in Lugari District. The incorporation of different concentrations of both FYM (10-20 tons/ha) and C.A.N (100-400 kg/ha) significantly improved the vegetative aspects and yield of the plant, during the rainy and dry seasons. The FYM and CAN, however, reduced ~-carotene (vitamin A pre-cursor) content of the vegetable amaranth, with slightly higher accumulation during the rainy season than during the dry season. Application of different concentrations of FYM and CAN fertilizers as well as the plant age showed no clear trend on the vitamin C content in both seasons However, there was a greater accumulation of nitrates, Especially with age of the plants when FYM and CAN was applied. In summary, addition of FYM and CAN Significantly increased the yield and quality of vegetable amaranth, but also increased the nitrate anti-nutrients
East African Agricultural And Forestry Journal, 78 (No 1,2), p. 13-22