Effect of Irrigation and Mulch on Bushbean Production in the Hill Valley
An experiment was conducted in a split plot design with 8 irrigation levels with or without mulch to determine optimum level of irrigation or mulch of Dwarf French bean (Bushbean) during two consecutive cropping seasons. Straw mulch significantly increased plant height, number of pods per plant, pod yield and profitability. Irrigation influenced most of the yield attributes except pod size and number of seeds per pod. The maximum number of pods and Benefit Cost Ratio (BCR) (5.03) was obtained from fortnightly flood irrigation (6 mm) with mulch while maximum pod yield (19.77 t ha-1) was obtained from half-weekly sprinkler irrigation (3 mm). The lowest yield (10.87 t ha-1) was obtained from control (no irrigation) without mulch. There was no significant effect of irrigation and mulch on pod size and number of seeds per pod.
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