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dc.contributorWani, Suhasen_US
dc.contributorSingh, Piaraen_US
dc.contributorSrinivas, K.en_US
dc.contributorRao, Chukka Srinivasaen_US
dc.creatorRao, Kesavaen_US
dc.identifier.citationKesava Rao, & Suhas P. Wani, & Piara Singh, & K. Srinivas, & Chukka Srinivasa Rao. (21/1/2012). Water requirement and use by Jatropha curcas in a semi-arid tropical location. Biomass & Bioenergy, 39, pp. 175-181.en_US
dc.description.abstractIncreasing emphasis on biofuel to meet the growing energy demand while reducing emissions of greenhouse gases, Jatropha curcas has attracted the attention of researchers, policy makers and industries as a good candidate for biodiesel. It is a non-edible oil crop, drought tolerant and could be grown on degraded lands in the tropics without competing for lands currently used for food production. J. curcas being a wild plant, much about its water requirement and production potential of promising clones in different agroclimatic conditions is not known. Water use assessment of J. curcas plantations in the semi-arid tropical location at ICRISAT, Patancheru indicated that crop evapotranspiration of J. curcas under no moisture stress varied from 1410 to 1538 mm per year during 2006e2009. Under field conditions the crop evapotranspiration varied from 614 to 930 mm depending on the atmospheric demand, rainfall and crop phenological stage. Patterns of soil-water depletion indicated that with growing plant age from two to five years, depth of soil-water extraction increased from 100 to 150 cm by fifth year. Monthly water use of Jatropha varied from 10e20 (leaf shedding period) to 140 mm depending on water availability and environmental demand. This study indicated that J. curcas has a good drought tolerance mechanism, however under favorable soil moisture conditions Jatropha could use large amounts of water for luxurious growth and high yield. These findings highlight the need to carefully identify suitable niche areas for Jatropha cultivation and assess the implications of large J. curcas plantations on water availability and use under different agroecosystems, particularly so in water scarce regions such as semi-arid and arid regions in the tropics.en_US
dc.sourceBiomass & Bioenergy;39,(2012) Pagination 175,181en_US
dc.subjectsoil moisture biodieselen_US
dc.subjectsemi-arid tropicsen_US
dc.titleWater requirement and use by Jatropha curcas in a semi-arid tropical locationen_US
dc.typeJournal Articleen_US
cg.subject.agrovocjatropha curcasen_US
cg.subject.agrovocwater requirementsen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.crpCRP on Dryland Systems - DSen_US
cg.contributor.funderNot Applicableen_US
cg.contributor.project-lead-instituteInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.coverage.regionSouthern Asiaen_US
dc.identifier.statusLimited accessen_US

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