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- Title
Crop water requirement of rice in different agroclimatic zones of Jharkhand.
- Authors
KUMAR, SUJIT; KUMAR, RAJIV; SINGH, MANISH KUMAR; YADAV, SHUBHJIT; PARHI, PRABEER KUMAR; BARDHAN, AVIJIT
- Abstract
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.
- Subjects
JHARKHAND (India); WATER requirements for crops; RICE; RAINFALL; WATER supply; IRRIGATION water; RICE farming
- Publication
Journal of Agrometeorology, 2024, Vol 26, Issue 2, p233
- ISSN
0972-1665
- Publication type
Article
- DOI
10.54386/jam.v26i2.2358