Potential Evapotranspiration Reduction and Its Influence on Crop Yield in the North China Plain in 1961–2014

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Sites</td><td class="align_center">Shandong</td><td class="align_center">Henan</td><td class="align_center">Beijing</td><td class="align_center">Tianjin</td><td class="align_center">Hebei</td></tr><tr><td class="align_left"><i>K</i>-value</td><td class="align_center">0.70</td><td class="align_center">0.77</td><td class="align_center">0.54</td><td class="align_center">0.54</td><td class="align_center">0.53</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The annual humidity index (<i>K</i>) from 1961 to 2014 in each region.</div>

Advances in Meteorology

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Table 3

Table 3: Potential Evapotranspiration Reduction and Its Influence on Crop Yield in the North China Plain in 1961–2014 