crop coefficient

analysis shows that the effect of net radiation, relative humidity and wind speed on crop coefficient variation is obvious, but the effect of temperature is negligible.

气象因素对作物系数变异性的影响分析表明：太阳净辐射、风速和空气湿度的影响较显著，而气温波动的影响不明显；

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the mature grape crop coefficient values of turpan area were much higher than the fao recommended under sufficient water supply condition.

在充分供水情况下，吐鲁番地区成龄葡萄作物系数均远远高于FAO推荐值。

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during the course of simulating for crop coefficient, film mulching degree coefficient was introduced, simulating the crop coefficient indirectly by the temperature and film mulching degree, reducing the difficulty of obtaining input parameters for evapotranspiration model.

在作物系数的模拟过程中，引入了覆盖系数这一概念，运用温度和地膜覆盖度进行作物系数间接模拟，减小了获得蒸散模型输入参数的难度。

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crop coefficient is the basic parameter for determining crop water requirement.

作物系数是计算作物需水量必不可少的参数。

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models of potential evapotranspiration and crop coefficient are determined by the modification and simplification of the well-known penman-monteith model.

通过对彭曼-蒙蒂斯（Penman-Monteith）方法的修正和简化，确定了计算潜在蒸散和作物系数的模式。经验证，说明所建模式的效果是好的。

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the actual crop coefficient and water consumption are closely related.

实际作物系数与耗水量密切相关。

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the result shows that dual crop coefficient approach is better than single crop coefficient approach in case the field is partly covered. however, the difference is insignificant if the field is fully covered.

结果表明，在地面部分覆盖的情况下，双作物系数法比单作物系数法更接近实测值，而在地面完全覆盖情况下，两者差别不大。

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relationship between crop coefficient and precipitation pattern in the piedmont of mt. taihang

太行山山前平原作物系数与降水年型关系探讨

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the crop coefficients during the mid-season stage estimated by single crop coefficient and dual crop coefficient approaches compared well with the observed results.

在作物生育中期，分段单值平均法、双作物系数法的计算结果与实测值吻合良好。

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Evapotranspiration and Crop Coefficient of Sweet Peppers under Different Groundwater Table

不同地下水埋深时甜椒需水量及作物系数试验研究

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the mean value of crop coefficient for late rice in the whole growing season is 1.27, while in the middle period, it is a little higher than the reference values recommended by fao.

双季晚稻全生育期作物系数Kc平均值为1.27，生育中期的作物系数值稍大于FAO推荐参考值。

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experimental study on evapotranspiration and crop coefficient of rice under controlled irrigation

控制灌溉条件下水稻蒸发蒸腾量及作物系数试验研究

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