近20年河北省几种高耗水作物的水分利用效率分析
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史梦霞, 张佳笑, 石晓宇, 褚庆全, 陈阜, 雷永登
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Water use efficiency of several water-intensive crops in Hebei province in recent 20 years
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SHI Meng-Xia, ZHANG Jia-Xiao, SHI Xiao-Yu, CHU Qing-Quan, CHEN Fu, LEI Yong-Deng
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表1 6种作物的生育期与逐月Kc值
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Table 1 Growth periods and monthly Kc values of six crops
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作物种类 Crop species | 生育期 Growth period (month/day) | 逐月Kc值 Monthly Kc values | 全育期 Whole growth period | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 冬小麦Winter wheat | 10/5-6/9 | 0.40 | 0.51 | 0.76 | 1.03 | 1.10 | 0.49 | | | | 0.40 | 0.40 | 0.40 | 0.62 | 夏玉米Summer maize | 6/12-9/21 | | | | | | 0.40 | 0.81 | 1.16 | 0.88 | | | | 0.85 | 苹果Apple | 3/1-10/31 | | | 0.45 | 0.59 | 0.86 | 0.91 | 0.91 | 0.91 | 0.91 | 0.78 | | | 0.79 | 梨Pear | 3/1-10/31 | | | 0.45 | 0.59 | 0.86 | 0.91 | 0.91 | 0.91 | 0.91 | 0.78 | | | 0.79 | 葡萄Grape | 3/1-9/25 | | | 0.32 | 0.57 | 0.81 | 0.82 | 0.82 | 0.68 | 0.50 | | | | 0.65 | 西瓜Watermelon | 4/1-7/20 | | | | 0.44 | 0.87 | 0.97 | 0.82 | | | | | | 0.77 |
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