Arid
DOI10.1002/bbb.1630
Water needs and productivity of Jatropha curcas in India: myths and facts
Wani, Suhas P.; Garg, Kaushal K.; Chander, Girish
通讯作者Wani, Suhas P.
来源期刊BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR
ISSN1932-104X
EISSN1932-1031
出版年2016
卷号10期号:3页码:240-254
英文摘要

Jatropha curcas referred as a wonder plant’ with low water requirement, which can be cultivated on wastelands in dry tropical conditions to provide oil seeds for biodiesel without competing for prime cropland. However, results from experiments and case studies in semi-arid tropical locations in India indicated that evapotranspiration (ET) demand for Jatropha ranges between 750 and 1000mm under optimal conditions. Jatropha extracted water from soil layer 150cm below with transpiration requirements of 600-800mm with increasing age. The yield potential of current genotypes is low (2-3ton/ha) for realizing the potential of Jatropha cultivation on wastelands subject to limited availability of nutrients and water. Jatropha curcas is drought tolerant, but contrary to belief, it is not a crop that requires less water: in fact, it requires 750-1000mm water to achieve economic production. However, Jatropha curcas demonstrated good potential for enhancing green water use efficiency without adversely affecting the blue water component, and for promoting crop management options facilitating carbon sequestration and nutrient recycling when grown on degraded lands. Improved cultivars of Jatropha curcas with synchronized flowering to enable mechanical harvesting, along with improved land and water management, are needed for harnessing the potential of Jatropha as a commercially viable biofuel crop. (c) 2016 Society of Chemical Industry and John Wiley & Sons, Ltd


英文关键词energy security feedstock biofuel biodiesel water balance wasteland
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000376204900015
WOS关键词L. ; BIOFUELS ; CROP
WOS类目Biotechnology & Applied Microbiology ; Energy & Fuels
WOS研究方向Biotechnology & Applied Microbiology ; Energy & Fuels
来源机构International Crops Research Institute for the Semi-Arid Tropics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/191739
作者单位Int Crops Res Inst Semi Arid Trop, Patancheru 502324, Talangana, India
推荐引用方式
GB/T 7714
Wani, Suhas P.,Garg, Kaushal K.,Chander, Girish. Water needs and productivity of Jatropha curcas in India: myths and facts[J]. International Crops Research Institute for the Semi-Arid Tropics,2016,10(3):240-254.
APA Wani, Suhas P.,Garg, Kaushal K.,&Chander, Girish.(2016).Water needs and productivity of Jatropha curcas in India: myths and facts.BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR,10(3),240-254.
MLA Wani, Suhas P.,et al."Water needs and productivity of Jatropha curcas in India: myths and facts".BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR 10.3(2016):240-254.
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