恰尔肯德邦不同农业气候区水稻的需水量

Q3 Agricultural and Biological Sciences

Journal of Agrometeorology Pub Date : 2024-06-01 DOI:10.54386/jam.v26i2.2358

Sujit Kumar, RAJIV KUMAR, Manish Kumar Singh, Shubhjit Yadav, P. K. Parhi, Avijit Bardhan

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引用次数: 0

摘要

利用 CROPWAT 8.0 和 CLIMWAT 2.0 模型以及通过 NASA 数据访问浏览器收集的有关气候、土壤、作物和水分供应的数据，估算了印度恰尔肯德邦不同农业气候区水稻的作物需水量。计算了恰尔肯德邦四个区的蒸散量（ETo）、有效降雨量（Peff）和作物需水量（CWR）。结果显示，在不同区域的水稻生长季节，参考蒸散量（ETo）从 420.4 毫米到 516.5 毫米不等。有效降水量从 748.4 毫米到 760.8 毫米不等。水稻作物需水量从 482.5 毫米到 592.4 毫米不等。除冲积区的净灌溉需水量仅为 67.6 毫米外，大部分地区的有效降水量足以满足水稻的需水量。

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Crop water requirement of rice in different agroclimatic zones of Jharkhand

The crop water requirement of rice in different agroclimatic zones of Jharkhand, India was estimated using the CROPWAT 8.0 and CLIMWAT 2.0 models with data collected through NASA data-access-viewer on climate, soil, crop, and water availability. The evapotranspiration (ETo), effective rainfall (Peff), and crop water requirement (CWR) for the four zones of the Jharkhand State were calculated. Results revealed that the reference evapotranspiration (ETo) varied from 420.4 mm to 516.5 mm during the crop growing season of rice in different zones. The effective precipitation varied from 748.4 mm to 760.8 mm. The crop water requirement of rice varied from 482.5 mm to 592.4 mm. Effective rainfall was sufficient to meet the water requirement of rice in most of the zones except Alluvial zone wherein the net irrigation water requirement was only 67.6 mm.

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来源期刊

Journal of Agrometeorology 农林科学-农艺学

CiteScore

1.40

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Agrometeorology (ISSN 0972-1665) , is a quarterly publication of Association of Agrometeorologists appearing in March, June, September and December. Since its beginning in 1999 till 2016, it was a half yearly publication appearing in June and December. In addition to regular issues, Association also brings out the special issues of the journal covering selected papers presented in seminar symposia organized by the Association.