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Comparison of Calculating Methods of Forage Crop Water Requirements and Correlation Analysis in the Grassland of Xilinguole

机译:锡林郭勒草原牧草需水量计算方法的比较及相关分析。

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Crop water requirements are most part of water consumption in agricultural aspect.Currently,there are lots of methods of calculating crop water requirements.According to the observation data and weather data in typical grassland in Xilinguole of Inner Mongolia from 2004 to 2005,crop water requirements were calculated by water balance and evaporation pan method directly.Also,crop water requirements were calculated by crop coefficient K,and Penman-Monteith equation,Modified Penman,Blaney-Criddle,Hargreaves,Priestley-Taylor and the Markkink indirectly.Applying several methods to calculate crop water requirements,the results of every ten days were evaluated by correlation analysis.The data measured in 2006 proved regression equations and the accuracy is higher.
机译:作物需水量是农业用水的主要部分。目前,有很多计算作物需水量的方法。根据内蒙古锡林郭勒典型草原2004-2005年的观测数据和气象数据,作物需水量直接通过水平衡和蒸发盘法进行计算。此外,还通过作物系数K计算作物需水量,并间接使用Penman-Monteith方程,改良的Penman,Blaney-Criddle,Hargreaves,Priestley-Taylor和Markkink。计算作物需水量,每十天进行相关分析评价。2006年的数据证明了回归方程,精度较高。

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