旱地春小麦产量对不同生育阶段温度变化的响应模拟
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王钧,李广,闫丽娟,刘强,聂志刚
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Simulation of Spring Wheat Yield Response to Temperature Changes of Different Growth Stages in Drylands
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Jun WANG,Guang LI,LiJuan YAN,Qiang LIU,ZhiGang NIE
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表2 研究区土壤属性参数
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Table 2 Soil property parameters in the experiment site
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土层深度Soil depth (cm) | 容重 Bulk density (g·cm-3) | 风干含水量 Air dry (mm·mm-1) | 萎蔫系数 Wilting coefficient (mm·mm-1) | 田间最大持水量 Drained upper limit (mm·mm-1) | 饱和含水量 Saturated moisture (mm·mm-1) | 土壤导水率 Soil hydraulic conductivity (mm·h-1) | 小麦有效水分下限 Wheat low limit (mm·mm-1) | 0-5 | 1.290 | 0.013 | 0.090 | 0.274 | 0.463 | 0.600 | 0.090 | 5-10 | 1.226 | 0.013 | 0.090 | 0.274 | 0.487 | 0.600 | 0.090 | 10-30 | 1.325 | 0.046 | 0.090 | 0.270 | 0.450 | 0.600 | 0.090 | 30-50 | 1.200 | 0.071 | 0.090 | 0.269 | 0.497 | 0.600 | 0.090 | 50-80 | 1.140 | 0.087 | 0.090 | 0.261 | 0.520 | 0.600 | 0.100 | 80-110 | 1.140 | 0.103 | 0.110 | 0.269 | 0.520 | 0.600 | 0.115 | 110-140 | 1.250 | 0.107 | 0.110 | 0.260 | 0.480 | 0.600 | 0.125 | 140-170 | 1.120 | 0.115 | 0.120 | 0.257 | 0.529 | 0.600 | 0.180 | 170-200 | 1.100 | 0.127 | 0.130 | 0.261 | 0.531 | 0.600 | 0.220 |
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