Impact of Bio-accelerated Farming against Conventional Farming System on Green Gram (Vigna radiata L.) under Rainfed Condition: Adaptive Management Enhances the Resilience to Climate Change

Abstract

The field experiments was conducted at the Instructional Farm of Uttar Banga Krishi Viswavidyalaya, Pundibari, Coochbehar, West Bengal, India during 2011-2012. The objective was to assess the effect of chemical free bio-accelerated and conventional farming system on growth, yield attributes, yield, nutrients uptake, quality and microbial population of green gram. The farm is situated at 26 o 19'86"N latitude and 89 o 23'53"E longitude at an elevation of 43.0 m above mean sea level. Results revealed that the growths, yield attributes, quality and microbial population of green gram were recorded higher in chemical free bio-accelerated compared to the conventional farming system. From the pooled data the highest yield was recorded under bio-accelerated farming (1500 kg ha-1) compared to the conventional farming system (1375 kg ha-1). The highest moisture percentage recorded under conventional farming (65.37%) than bio-accelerated farming system (63.35%). The nitrogen (50.40 and 73.88 kg ha-1), phosphorus (10.53 and 11.32 kg ha-1) and potassium (67.68 and 123.60 kg ha-1) uptake by crop was recorded highest under the conventional farming compared to bio-accelerated farming system. The application jiwanmrita recorded significantly higher number of microbial population in the soil of bio-accelerated farming than the conventional farming system. From the pooled data analysis showed 62.50 microbes in bio-accelerated and 39.75 microbes in conventional farming before sowing which increased up to 97.25 microbes and decreased to 31.94 microbes in bio-accelerated and Conventional farming system. Among the chemical free bio-accelerated farming system pest incidence was found to be lower as compared to the conventional farming system.

Jiwamrita: A Low Cost Organic Nutrient Source for Growth, Yield and Economics of Organic Mungbean [Vigna radiata (L.) Wilczek] under Changing Agricultural Environment

“…Dehydrogenase (µg/ml) 2.771 increased the plant height (304 cm), number of branches/plant (40), leaf area/plant (18075 dm 2 ) of pigeon pea over control. Dahal et al [10] found that the maximum number of branches/plant in mungbean was recorded in bio-accelerated farming wherein Jiwamrita was used as compared to conventional farming wherein synthetic fertilizers were used. Combination treatment of soil and foliar application of Jiwamrita significantly affected the number of root nodules (94) over alone foliar application and alone soil application (86 and 90, respectively) of Jiwamrita.…”

“…The application of Jiwamrita improved the physical, chemical and biological properties of soil, besides improving the efficiency of applied manure [9]. It was also reported to be a catalytic agent to promote activity of microorganisms resulting in healthy and nutrient rich soil [10]. Earlier work by Galindo et al, [11] reported that the use of the fermented liquid as organic source of nutrient @ 3% foliar spray recorded significantly higher growth and yield of blackgram.…”