Research Article
Temporal Downscaling of Crop Coefficient and Crop Water Requirement from Growing Stage to Substage Scales
Table 1
Values of reference () and crop () evapotranspiration and crop coefficient () in growing stages of winter wheat after greening in 2003.
| | Growing stage | Starting date | Ending date | Duration (d) | (mm) | (mm) | |
| | Greening | March 6 | April 4 | 30 | 67.6 | 27.4 | 0.40 | | Jointing | April 5 | May 10 | 36 | 143.9 | 145.6 | 1.01 | | Heading | May 11 | May 31 | 21 | 102.3 | 127.6 | 1.25 | | Milking | June 1 | June 23 | 23 | 115.8 | 109.0 | 0.94 | | Greening to harvest | March 6 | June 23 | 110 | 429.6 | 409.6 | 0.95 |
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