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Legume effect for enhancing productivity and nutrient use-efficiency in major cropping systems–an Indian perspective: a review

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Title Legume effect for enhancing productivity and nutrient use-efficiency in major cropping systems–an Indian perspective: a review
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Creator PK Ghosh PhD, KK Bandyopadhyay PhD, RH Wanjari PhD, MC Manna PhD, AK Misra PhD, M Mohanty, A Subba Rao PhD
 
Subject Alley cropping, cropping system, dry land, intercrop, irrigated, legume, nutrient use-efficiency, rainfed, residual fertility
 
Description Not Available
Inclusion of legumes in the cropping system has been known since times immemorial. Legume is a natural mini-nitrogen manufacturing factory in the field and the farmers by growing these crops can play a vital role in increasing indigenous nitrogen production. Legume help in solubilizing insoluble P in soil, improving the soil physical environment, increasing soil microbial activity, and restoring organic matter, and also has smothering effect on weed. The carryover of N derived from legume grown, either in crop sequence or in intercropping system for succeeding crops, is also important. In a country like India, where the average consumption of plant nutrients from chemical fertilizers on national basis is very low, the scope for exploiting direct and residual fertility due to legumes has obviously a great potential. This article deals with the beneficial effect of important legumes on increasing productivity and nutrient use-efficiency in various systems. Sorghum, pearl millet, maize, and castor are mainstay in dry lands and marginal and sub-marginal lands. Sorghum yield increased when sown after cowpea, green gram, and groundnut. Grain legumes like groundnut or cowpea provide an equivalent to 60 kg N ha on the subsequent crop of pearl millet. Various studies have shown that among legume/cereal intercropping system, the combination of maize/pigeon pea is considered to be highly suitable with a minimum competition for nutrients, while legume/legume intercropping system, pigeon pea/groundnut system is the most efficient one in terms of resource use-efficiency. In alley cropping system, Leucaena leucocephala (Subabul) prunings provide N to the extent of 75 kg, which benefits the intercrop castor and sorghum. Nitrogen economy through intercropped legume is still a researchable issue because the key point for leguminous crop grown in intercropping system is the problem of nodulation. Incorporation of whole plant of summer green gram/black gram into soil (after picking pods) before transplanting rice resulted in the economizing (40–60 kg N haâ^’1, 30 kg P2O5, and 15 kg K2O per ha) of rice in rice-wheat system. Similarly, 6–8 weeks old green manure crop of sunhemp or dhaincha accumulates about 3–4 t haâ^’1 dry matter and 100–120 kg N haâ^’1 which, when incorporated in situ, supplements up to 50% of the total N requirement of rice. Legumes with indeterminate growth are more efficient in N2 fixation than determinate types. Fodder legumes in general are more potent in increasing the productivity of succeeding cereals. The carryover of N for succeeding crops may be 60–120 kg in berseem, 75 kg in Indian clover, 75 kg in cluster bean, 35–60 kg in fodder cowpea, 68 kg in chickpea, 55 kg in black gram, 54–58 kg in groundnut, 50–51 kg in soybean, 50 kg in Lathyrus, and 36–42 kg per ha in pigeon pea. Direct and residual effect of partially acidulated material and mixture of rock phosphate + single superphosphate were observed to be better when these were applied to green gram in winter season than to rice in rainy season simply because of legume effect
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2019-11-28T06:08:01Z
2019-11-28T06:08:01Z
2007-05-31
Research Paper
113
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/25707
English
Not Available;
Taylor & Francis Group

oai:krishi.icar.gov.in:123456789/257082022-03-03T09:19:48Zcom_123456789_128com_123456789_6col_123456789_348
Influence of tillage practices and nutrient management on crack parameters in a Vertisol of central India
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KK Bandyopadhyay, M Mohanty, DK Painuli, AK Misra, KM Hati, KG Mandal, PK Ghosh, RS Chaudhary, CL Acharya
Crack parameters PuddlingDirect seeding No tillage Reduced tillage Mould board ploughing Sub-soiling Vertisol India
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The frequency, size and rate of development of cracks influence the transport of water, nutrients and gases in the soil profile and plant growth processes in Vertisols. Despite their importance, studies on characterising cracks in Vertisols of India are limited. This study attempts to evaluate the influence of different tillage practices, nutrient management and cropping systems on cracking behaviour of a Vertisol in central India. The length, depth, width, area and volume of cracks were recorded after the harvest of the wet season crops, i.e. soybean (Glycine max L.) and rice (Oryza sativa L.) from three ongoing tillage experiments with three different cropping systems, i.e. soybean–wheat (Triticum aestivum L.), soybean–linseed (Linum usitatissimum L.) and rice–wheat. The results revealed that all the crack parameters were significantly negatively correlated with the water content of the 0–15 cm soil layer and, crack width and crack volume were significantly positively correlated with the bulk density of the 0–15 cm soil layer. Gravimetric water content and bulk density of the 0–15 cm soil layer together explained 79% variation in the crack volume. The crack volume was significantly negatively correlated (r=0.86,P=0.01) with the root length density of the previous soybean crop. Rice grown under puddled condition significantly enhanced different crack parameters viz., length, depth, width, surface area and volume of the cracks over nonpuddled direct seeded rice. Sub-soiling practised in soybean under the soybean–linseed system significantly reduced the width, depth, length and surface area of cracks by 12.5, 10, 5 and 12%, respectively, over conventional tillage. No tillage practised in soybean under soybean–wheat system resulted in significant increase in width, depth and volume of the cracks but decrease in length and surface area of cracks over conventional tillage and mould board tillage practice. Application of manure reduced the magnitude of different crack parameters in soybean–linseed cropping system. Thus cracking in Vertisols can be favourably managed by the selection of proper tillage practice, cropping system and organic manure amendments
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Date 2019-11-28T06:08:13Z
2019-11-28T06:08:13Z
2003-06-01
 
Type Research Paper
 
Identifier 92
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/25708
 
Language English
 
Relation Not Available;
 
Publisher Elsevier