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Table 6 <br />TR-21 and Calibrated Crop Coefficients for Corn Grain 1 <br /> Calibrated Coefficients <br />Percent of Growing <br />Season TR-21 Upper <br /> <br />Plains Lower <br /> <br />Plains <br />0 0.440 0.283 0.338 <br />5 0.460 0.295 0.354 <br />10 0.490 0.335 0.377 <br />15 0.530 0.436 0.462 <br />20 0.580 0.478 0.545 <br />25 0.640 0.527 0.601 <br />30 0.710 0.585 0.667 <br />35 0.820 0.725 0.796 <br />40 0.920 0.891 1.006 <br />45 1.010 0.978 1.105 <br />50 1.050 1.017 1.148 <br />55 1.080 1.046 1.181 <br />60 1.080 1.105 1.226 <br />65 1.080 1.105 1.237 <br />70 1.060 1.085 1.214 <br />75 1.040 1.065 1.191 <br />80 1.000 1.069 1.247 <br />85 0.970 1.220 1.358 <br />90 0.93 0 1.169 1.3 02 <br />95 0.890 1.119 1.246 <br />100 0.850 1.069 1.190 <br />'Calibrated crop coefficients can be used to estimate potential crop <br />consumptive use under full water supply conditions. <br />Task59_l.doc (updated January 11, 2008) 15 of 32 <br />