Browsing by Author "Wabusa, Derrick"

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    Effect of farmyard manure integrated with triple superphosphate on yield and grain quality of Biofortified common beans in central Uganda
    (Kyambogo University, 2021-08) Wabusa, Derrick
    A study was carried out to assess the effect of farmyard manure integrated with triple superphosphate on soil conditions, yield and grain quality of bio-fortified common bean Genotypes in central Uganda. The study evaluated the effect of different amendments of farmyard manure integrated with triple superphosphate (TSP) on soil conditions, yield components and grain quality of bio-fortified common bean genotypes. The experiments were set in a Randomized Complete Block Design (RCBD) conducted at Mukono Zonal Agricultural Research Institute (MUZARDI) in two rainfall seasons, where treatments included; Cattle manure + TSP, Swine manure + TSP, Chicken manure + TSP, TSP alone and control replicated five times. Bio-fortified common bean genotypes used in the study included Naro bean 1 and Naro bean 3, NABE16 a local check. Data was collected on; organic matter, soil pH, nitrogen, potassium and phosphorus content, harvest index, number of pods, pod length, number of grains per pod, weight of 100grains, grain yield, crude carbohydrates, fats, proteins, Iron and zinc content. Data collected was analyzed by a t-test for objective one and analysis of variance for objective two and three using Genstat statistical package (15th edition). Results showed that amendment of the soil with Swine manure + TSP significantly increased Organic matter by; 1.51% and potassium 1.22% than Chicken manure + TSP, Cattle + TSP, TSP alone and a control respectively. Chicken manure + TSP highly increased soil pH and Nitrogen by 1.80 and 2.20%, TSP alone improved Phosphorus by 5.2 PPM than other treatments. Yield parameters were not significantly (P>0.05) affected by treatments except weight of 100 grains. However bean genotypes grown in Swine manure + TSP recorded maximum yield of 14 pods, 4 grains per pod, 32.93g weight of 100grains, grain yield was (1843kgha-1) and lowest (1253 to 650kg/ha) in TSP+ cattle manure and control. Grain quality attributes were significantly (P<0.05) affected by all treatments however, swine manure + TSP was superior over other treatments on xiv grain quality of bio-fortified beans by 91.82% seed purity, 56.77%crude carbohydrates, 177.20 ppm Iron and 33.58 ppm Zinc content but, crude fats and crude proteins were higher in treatment TSP alone and Chicken manure + TSP. Bio-fortified bean Genotype Naro bean 1 significantly performed better than Naro bean 3 and Nabe 16. It was therefore, concluded that swine manure + TSP significantly improved soil conditions, yield and seed qualities of bio-fortified common beans. Therefore, basing on these findings, farmers should adopt amendment of swine manure with TSP