论文部分内容阅读
以实测的土壤水分资料为基础，辅以收集其它方面的研究材料，借鉴并吸收了Ｃｅｒｅｓ－Ｗｈｅａｔ中的土壤水分平衡思想，建立了冬小麦田间土壤水分平衡动态模拟模型。利用模型模拟了江苏省南北两地区冬小麦在拔节到成熟期间农田土壤含水量的时空变化。该模型与实测值相比，具有很好的一致性，其相关系数的平均值为０．８９，标准误差小于４．０％，并且北方地区比南方地区模拟效果更好些。还就麦田实测资料进行了不同生育期水分适宜状况的评定。
Based on the measured soil moisture data, supplemented by the collection of other research materials, drawing on and absorbing the idea of soil moisture balance in Ceres-Wheat, a dynamic simulation model of soil moisture balance in winter wheat was established. The model was used to simulate the spatio-temporal variations of soil water content of winter wheat in the northern and southern regions of Jiangsu Province during the period from jointing to maturing. The model has good consistency with the measured values, the average correlation coefficient is 0.89, the standard error is less than 4.0%, and the simulation results in the north are better than those in the south. Wheat field measured data were also carried out at different stages of the assessment of water suitable conditions.