Effects of organic and chemical fertilizers on cluster bean(Cyamopsis tetragonolobus)

A field experiment was carried out to determine impact of organic fertilizers prepared from agriculture solid waste (FYM) with various composting methods on the growth and yield of Cluster bean (Cyamopsis tetragonolobus).The agricultural solid waste was used for preparation of different organic composts. The five treatments were taken as compost from vermicomposting (T-1), pit composting method (T-2), NADEP method of composting (T-3), complex chemical fertilizers (25:50:50) as T-4 and control (T-5). These organic fertilizers and chemical fertilizers were supplied to field for Cluster bean (Cyamopsis tetragonolobus) vegetable crop cultivation. Growth analysis of Cluster bean (Cyamopsis tetragonolobus) plant was carried out at various days. The number of pods per plant, pod yield (g/plant) and pod yield per plot were recorded after 60 days at various treatments of organic and chemical fertilizers and compared with control. The highest plant height was noticed with vermicomposting treatment on 7th day (4.1 (±0.120) cm, 30th day (8.9(±0.118) cm and 23.9(±0.112) cm over the control and other fertilizers. The fresh and dry biomass contents after 60 days were 8.43(±0.236) g/plant and 1.89 (±0.087) g/plant and the weight of pod yield was 106.78 g/100 pods in the set of vericompost treatment indicating drastic increase than the other sets studied. Morphological characters including plant height, number of leaves per plant were higher with the application of vermicompost. The results show significance increase in growth, yield pods in plants treated by vermicompost fertilizer, followed by chemical fertilizers and as compared with control field. Vermicomposting with agricultural solid waste by earthworms gave better results than other fertilizers.

Author(s): Balbhim L. Chavan, Mangesh M. Vedpathak and Bhimashankar R. Pirgonde

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