This experiment was conducted during the year 2020-2021 in open field condition at three locations such as Madurai (Kalvelip-atti-L1), Ramnad (Thiruvarangam-L2) and Kunnathur (Peraiyur-L3) of Tamil Nadu, India to assess the effects of organic foliar sprays viz. Panchakavya, vermiwash and cow urine on yield and growth parameters of cluster bean ((Cyamopsis tetragonoloba (L.)Taub.) cv. Pusa Navbahar). Four treatments viz., control (T1), 5% Panchakavya (T2), 5% vermiwash (T3) and 5% cow urine (T4) were tried in Randomized Block Design (RBD) with five replications. The standard recommended cultural practices were followed for all the divided experimental plots. The maximum values of growth parameters like plant height, number of leaves per plant, leaf area, number of pods, pod length (cm), pod weight/plant and pod yield were recorded by the treatment of 5% vermiwash over the control, followed by other foliar sprays. Among the locations, the maximum values of vegetative growth parameters were recorded in the location Kunnathur. Whereas, the maximum values of reproductive parameters like number of pods, pod length, pod weight and productivity were recorded in the location Madurai. The experiment revealed that vermiwash (5%), Panchakavya (5%) and cow urine (5%) can highly be recommended as foliar spray to reap high quantity clusterbean and benefit the farmers as well as consumers.
Key words: Cluster bean, Vermiwash, Panchakavya, Cow urine, Foliar spray, Plant height, Pod yield.
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