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Raizada, A.
- Assessing the Impact of Watershed Development on Energy Efficiency in Groundnut Production Using DEA Approach in the Semi-Arid Tropics of Southern India
Abstract Views :256 |
PDF Views:88
Authors
Affiliations
1 ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Bellary 583 104, IN
2 ICAR-Indian Institute of Soil and Water Conservation, Dehradun 248 195, IN
1 ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Bellary 583 104, IN
2 ICAR-Indian Institute of Soil and Water Conservation, Dehradun 248 195, IN
Source
Current Science, Vol 109, No 10 (2015), Pagination: 1831-1837Abstract
The present study is aimed at assessing the impact of watershed development on the energy efficiency in groundnut cultivation. Overall technical, pure technical and scale efficiency increased by 11, 3 and 12% over the pre-watershed scores due to watershed development. Estimated potential for saving input energy was 3608, 3223 and 2907 MJ ha-1 for marginal, small and large farmers respectively, in groundnut production while maintaining status quo for energy output. Farm size, age of farmer, number of livestock owned and implementation of watershed activities were identified as key determinants for higher overall energy efficiency.Keywords
Data Envelopment Analysis, Energy Efficiency, Groundnut, Soil and Water Conservation.References
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- Groundwater Management and Achieving Equity by Direct Transfer of Electricity Subsidy:A Workable Option
Abstract Views :262 |
PDF Views:89
Authors
Suresh Kumar
1,
A. Raizada
1,
H. Biswas
1,
A. S. Morade
1,
K. K. Reddy
1,
W. Murlidhar
1,
K. S. Rao
1
Affiliations
1 ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Bellary 583 104, IN
1 ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Bellary 583 104, IN
Source
Current Science, Vol 112, No 01 (2017), Pagination: 22-23Abstract
The policy decision to provide free or subsidized electricity has been a key driver for widespread groundwater exploitation in India. Groundwater utilization has immensely enhanced crop productivity and employment generation, which has led to poverty reduction and rural prosperity. To boost rural development in the 1970s, state government, initially began unmetered electricity supply for irrigation, which is still being continued in different states as part of their rural development policy. Policy planners and administrators are now faced with the challenge to design and implement a workable mechanism to manage the evergrowing complexity of groundwater - energy nexus. Groundwater extraction has already surpassed sustainable utilization limits in most parts of India.- Soil organic carbon fractions, carbon stocks and microbial biomass carbon in different agroforestry systems of the Indo-Gangetic Plains in Bihar, India
Abstract Views :133 |
PDF Views:71
Authors
Nongmaithem Raju Singh
1,
A. Raizada
2,
K. K. Rao
3,
Kirti Saurabh
3,
Kumari Shubha
3,
Rachana Dubey
3,
L. Netajit Singh
4,
Ashish Singh
5,
A. Arunachalam
6
Affiliations
1 ICAR Research Complex for Eastern Region, Patna 800 014, India; ICAR Research Complex for North Eastern Hill Region, Umiam 793 103, India, IN
2 ICAR-Mahatma Gandhi Integrated Farming Research Institute, Motihari 845 429, India, IN
3 ICAR Research Complex for Eastern Region, Patna 800 014, India, IN
4 College of Agriculture University, Jodhpur 342 304, India, IN
5 ICAR Research Complex for North Eastern Hill Region, Umiam 793 103, India, IN
6 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, India, IN
1 ICAR Research Complex for Eastern Region, Patna 800 014, India; ICAR Research Complex for North Eastern Hill Region, Umiam 793 103, India, IN
2 ICAR-Mahatma Gandhi Integrated Farming Research Institute, Motihari 845 429, India, IN
3 ICAR Research Complex for Eastern Region, Patna 800 014, India, IN
4 College of Agriculture University, Jodhpur 342 304, India, IN
5 ICAR Research Complex for North Eastern Hill Region, Umiam 793 103, India, IN
6 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, India, IN
Source
Current Science, Vol 124, No 8 (2023), Pagination: 981-987Abstract
A study was undertaken in the Vaishali district of Bihar, India, in 2020 to assess the effect of various agroforestry systems (AFS) on the distribution of different pools of soil organic carbon (fraction I – very labile, fraction II – labile, fraction III – less labile and fraction IV – non-labile), carbon stocking and soil microbial activity. The mean (0–45 cm) total organic carbon (TOC) in different AFS ranged from 5.55 to 6.64 Mg C ha–1, with the highest under poplar-based AFS (PB-AFS). Across the AFS studied, the C stocks (0–45 cm) varied from 36.24 (mango-based AFS) to 41.43 Mg C ha–1 (PB-AFS). Overall, the magnitude of C fractions showed the order: fraction I > fraction IV > fraction III > fraction II. Significantly higher soil microbial biomass carbon was recorded under PB-AFS (219.36 mg g–1) in 0–15 cm depth. Basal respiration was also the highest under PB-AFS (0.54 mg CO2-C g–1 h–1), followed by TB-AFS (0.50 mg CO2-C g–1 h–1) in 0–15 cm depth. Principal component analysis result showed that PC 1 and PC 2 represented about 97% of the total variation. TOC and active carbon pool had the maximum loading in PC 1, while microbial metabolic quotient and bulk density had the maximum value in PC 2Keywords
Agroforestry system, basal respiration, princi-pal component analysis, soil microbial activity, total orga-nic carbon.References
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