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Bioenergy and economic analysis of soybean-based crop production systems in central India by K.G Mandal; K.P Saha; P.K Ghosh; K.M Hati; K.K Bandyopadhyay is a Engineering article available to read on EtoBox.

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The study examines the energy requirement and energy input-output relationship of soybean-based crop production systems viz., soybean (Glycine max (L.) Merr.) -wheat (Triticum aestivum L.), soybean-mustard (Brassica juncea (L.) Czern & Coss.) and soybean-chickpea (Cicer arietinum L.) in central India. Using a pre-tested questionnaire, 135 farmers were selected through a multi-stage stratiÿed random sampling technique. Results revealed that manures and chemical fertilizers (50.87%), seedbed preparation (18.30%) and sowing management (17.69%) consumed the bulk of the energy (operational and non-operational) for all crops, it was highest in soybean-wheat (23705 ± 29:48 MJ ha -1 ) and the lowest in soybeanchickpea (15672 ± 26:29 MJ ha -1 ). Wheat, with the highest grain productivity, produced the most biomass energy (78541 ± 28:75 MJ ha -1 ) and highest grain-energy productivity (0:150 kg MJ -1 ). The total bioenergy output of the crop production systems followed the order: soybean-wheat (131277 ± 29:26 MJ ha -1 ) ¿ soybean-mustard (101661 ± 28:91 MJ ha -1 ) ¿ soybean-chickpea (92658 ± 28:87 MJ ha -1 ). But this order was reversed for energy-use e ciency (EUE): soybean-chickpea (5:91)

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Author

K.G Mandal; K.P Saha; P.K Ghosh; K.M Hati; K.K Bandyopadhyay

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0961-9534)

Published

2002

Language

EN

Field

Engineering (Physical Sciences)