309 research outputs found

    Supply Side Constrains in Production of Pulses in India: A Case Study of Lentil

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    In India, annual production of pulses ranges from 11 Mt to 15 Mt, with yield of about 600 kg/ha. Due to the wide gap between supply and demand, import of pulses has increased from 0.38 Mt in 1993 to 2.82 Mt in 2008. Lentil is an important rabi pulse crop with a production of 0.85-0.95 Mt in India, after gram. The study has used both secondary and primary data collected from on-farm demonstrations and farmers’ fields to examine the ways to enhance the domestic supply of lentil. The study has found that there is a scope of increasing area under lentil during the rabi season, as its cost per hectare is less with higher net returns than the competing crops like wheat, gram and mustard in water-deficit and resource-poor conditions. There are large returns for adoption of disease management (80 per cent increase in net return), and improved small-seeded varieties (about 40 per cent increase in net return) in lentil. The study has found that lentil-based cropping systems are profitable and also have high water productivity, hence are suitable for mostly un-exploited rice-fallows under water-deficit conditions. Even though marketed surplus ratios have increased in recent years, there is a post-harvest loss to the extent of 7 per cent of production which needs to be curtailed to increase overall supply for final consumption. There is a case for larger institutional and policy support for pulse crops, keeping visible effects of pulse crops in increasing yield of subsequent crops in crop rotations.Agricultural and Food Policy,

    Assessment Strategic Research Extension Plan (SREP) Methodology for Upscaling and Institutionalisation of R-E-F Linkages

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    The main goal of the Innovations in Technology Dissemination (ITD)component of the National Agricultural Technology Project (NATP) is to increase farmers input into programme planning and resource allocation especially at the block level and to increase accountabili ty of stakeholders. Further, it is also to increase the programme coordination and integration so that program thrust such as Farming System Innovation, Farmers' Organization, Technical Gaps, and Natural Resource Management can be more effectively and efficiently implemented. Objectives: To review the SREP methodology followed in the pilot districts with a focus on linkages and identification and prioritization of research, extension and development issues; To analyze the mechanism followed in each state for implementation of SREP outputs in operationalizing strategies evolved; To identify the gaps in SREP methodology and its implementation process and suggest appropriate measures to overcome the gaps; and To evolve future directions for up-scaling and institutionalization of SREP approach systems, structures and functional dimensions.Research and Development/Tech Change/Emerging Technologies,

    Gravitational field of domain wall in Lyra geometry

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    In this paper, we study the domain wall with time dependent displacement vectors based on Lyra geometry in normal gauge i.e. displacement vector fi=[β(t),0,0,0]f^*_i = [ \beta (t), 0,0,0]. The field theoretic energy momentum tensor is considered with zero pressure perpendicular to the wall. We find an exact solutions of Einstein equation for a scalar field ϕ\phi with a potential V(ϕ)V(\phi) describing the gravitational field of a plane symmetric domain wall. We have seen that the hyper surfaces parallel to the wall (z=constant z = constant ) are three dimensional de-sitter spaces. It is also shown that the gravitational field experienced by test particle is attractive.Comment: 11 pages, 6 figures; Submitted in Astrophysics and Space Science after minor revisio
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