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THE EFFECT OF NITROGEN AND PHOSPHORUS FERTILIZERS AND FARMYARD MANURE ON GROWTH AND YIELD OF LOCAL GARDEN EGG (Solanum qilo) VARIETY SAMARU STRIPED
Abstract:
An experiment on the effect of nitrogen and phosphorus fertilizers and farmyard manure on growth and yield of a local garden egg (Solanum qilo) variety ‘Samaru Striped’, was conducted under rainfed conditions in 1983/84 at the Horticultural Unit of Ahmadu Bello University, Samaru, Zaria. Three levels of each of the nutrients (Nitrogen – 0, 75 and 150 kg/ha; Phosphorus – 0, 30 and 60 kg/ha and Farmyard manure – 0, 10 and 20 t/ha) were applied. The investigation revealed that each of the nutrients improved both the vegetative growth and fruit yield. Nitrogen application remarkably increased plant height, number of branches, number of leaves, leaf area index, total dry matter production and number of fruits per plant,, Total yield per hectare increased significantly with each increased application of nitrogen up to 150 kg/ha, at which 39.44 t of fruits were producedo However, the optimum level of nitrogen application for optimum yield was 143 kg/ha. Only application of up to 60 kg P2O5_/ha significantly increased yield. This produced about 35.22 t/ha of fruitS. A positive linear response between yield and farmyard manure application was shown. Each level significantly increased fruit yield; 20 t/ha produced 35.95 t of fruits. The interdependency of the nutrients in improving yield was quite evident. The highest fruit yield was obtained by a combination of the highest levels of N, P and Farmyard manure. Neither the nutrients, nor their interactions significantly influenced the crude protein content of the fruits. A highly significant positive correlation was found between yield and vegetative growth characters. The number of days to flowering was, however, not significantly correlated with yield..
THE EFFECT OF NITROGEN AND PHOSPHORUS FERTILIZERS AND FARMYARD MANURE ON GROWTH AND YIELD OF LOCAL GARDEN EGG (Solanum qilo) VARIETY SAMARU STRIPED
