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Spatial Estimation Of Hydraulic Properties In Structured Soils At The Field Scale, Xi Zhang
Spatial Estimation Of Hydraulic Properties In Structured Soils At The Field Scale, Xi Zhang
Theses and Dissertations--Plant and Soil Sciences
Improving agricultural water management is important for conserving water during dry seasons, using limited water resources in the most efficient way, and minimizing environmental risks (e.g., leaching, surface runoff). The understanding of water movement in different zones of agricultural production fields is crucial to developing an effective irrigation strategy. This work centered on optimizing field water management by characterizing the spatial patterns of soil hydraulic properties. Soil hydraulic conductivity was measured across different zones in a farmer’s field, and its spatial variability was investigated by using geostatistical techniques. Since direct measurement of hydraulic conductivity is time-consuming and arduous, pedo-transfer functions …