Assessing the economic impact of a low-cost water-saving irrigation technology in Indian Punjab: the tensiometer

Vatta Kamal; Sidhu R. S.; Lall Upmanu; Birthal P. S.; Taneja Garima; Kaur Baljinder; Devineni Naresh; MacAlister Charlotte

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Assessing the economic impact of a low-cost water-saving irrigation technology in Indian Punjab: the tensiometer

机译：评估印度旁遮普邦低成本节水灌溉技术的经济影响：张力计

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This article assesses the impact of the tensiometer on the consumption of groundwater and electric power in paddy cultivation in Indian Punjab, and its subsequent economic benefits. We find that compared to the continuous flooding method, the tensiometer-based application of irrigation reduces water and power consumption by 13%, cutting variable costs by 7% without any yield penalty. If 30% of the paddy area is irrigated following tensiometer-based schedules, then the state could save a total of 0.67 million ha m of water and 1516 million kWh of electric power in 2010-2025, with aggregate economic benefits of US$ 459 million.

机译：本文评估了张力计对印度旁遮普邦稻田种植中地下水和电力消耗的影响，及其后续的经济效益。我们发现，与连续驱水法相比，基于张力计的灌溉技术将水和电的消耗降低了13％，将可变成本降低了7％，而没有任何产量损失。如果按照基于张力计的时间表灌溉水田面积的30％，那么该州在2010-2025年可以节省总计67万公顷的水和15.16亿千瓦时的电力，总经济收益为4.59亿美元。

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来源
《Water International》 |2018年第2期|305-321|共17页
作者
Vatta Kamal; Sidhu R. S.; Lall Upmanu; Birthal P. S.; Taneja Garima; Kaur Baljinder; Devineni Naresh; MacAlister Charlotte;
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作者单位

Ctr Int Projects Trust, New Delhi, India;

Punjab Agr Univ, Dept Econ & Sociol, Ludhiana, Punjab, India;

Columbia Univ, Dept Earth & Environm Engn, Columbia Water Ctr, New York, NY USA;

Natl Inst Agr Econ & Policy Res, New Delhi, India;

Ctr Int Projects Trust, New Delhi, India;

Punjab Agr Univ, Dept Econ & Sociol, Ludhiana, Punjab, India;

CUNY City Coll, Dept Civil Engn, New York, NY 10031 USA;

Int Dev Res Ctr, Ottawa, ON, Canada;

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正文语种 eng
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关键词
Irrigation scheduling; tensiometer; groundwater conservation; electricity consumption; paddy; economic impact; Punjab; India;

机译：灌溉计划;张力计;地下水保护;电力消耗;稻田;经济影响;旁遮普邦;印度;

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Assessing the economic impact of a low-cost water-saving irrigation technology in Indian Punjab: the tensiometer

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