Result The actual evapotranspiration(ETc) for the FAO-56-PM 24h,ASCE-PM 24h,FAO-56-PM 1h,ASCE-PM 1h with dual crop coefficient methods totaled 672.1 mm,766.2 mm,991.2 mm and 805.6 mm,respectively.
结果4种P-M模型FAO-56-PM24h、ASCE-PM24h、FAO-56-PM0.5h及ASCE-PM0.5h和双作物系数法估算的实际蒸散量依次为672.1、766.2、991.2和805.6mm。
参考来源 - 基于FAO·2,447,543篇论文数据，部分数据来源于NoteExpress
Single crop coefficient approach is simpler than dual crop coefficient approach. It is suggested to using single crop coefficient approach for calculating crop water requirements of growth stages.
单作物系数法比双作物系数法简单，建议在进行生育期作物需水量计算时采用单作物系数法；
Based on the analysis of field experimental data, crop water requirement and crop coefficient of straw-mulched summer maize are evaluated with dual coefficient approach recommended by FAO.
采用FAO推荐的双作物系数法计算了秸秆覆盖条件下夏玉米的作物系数。
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