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ABSTRACT
This study was conducted as a field potted experiment with poultry manure and Phaseolus vulgaris L. (common bean) to determine the best proportion of poultry manure that can enhance the growth and development of the plant. Parameters measured were germination, plant height, girth, number of leaves and degree of colour changes from dark green to lemon. The manure treatment levels used were control (0%), 3%, 6%, 9% and 12% having 3 replicates each. The germination data was collected daily for 6 days while the data for the other growth parameters were collected weekly for 4 weeks. The results recorded showed significant changes among all parameters used when compared to the control. Data recorded for number of leaves at 4 WAP were 9.67 ± 1.67, 30.67 ± 3.18, 25.67 ± 4.48, 29.00 ± 2.65 and 23.33 ± 2.73 for control, 3%, 6%, 9% and 12% respectively. Data recorded also for the measurement of the colouration degree of leaves for the 5 weeks planting period were 3.00 ± 0.00, 1.00 ± 0.00, 2.67 ± 0.33, 3.00 ± 1.00 and 4.00 ± 0.58 at 4 WAP for control, 3%, 6%, 9% and 12% respectively. These results show the positive effect of poultry manure on the parameters of growth of plants as observed in the study plant used ( Phaseolus vulgaris L.). The best proportion of poultry manure for Phaseolus vulgaris L. was determined to be in the moderate quantity of 3% to at most 9%.
