Estimating Plant-Available Water Capacity for Claypan Landscapes Using Apparent Electrical Conductivity

Information on plant-available water (PAW) capacity (PAW(c)) variation within a field is useful for site-specific management. For claypan soils, established relationships between soil apparent electrical conductivity (EC(a)) and topsoil thickness suggested the hypothesis that profile PAW(c) could be...

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Veröffentlicht in:	Soil Science Society of America journal 2007-11, Vol.71 (6), p.1902-1908
Hauptverfasser:	Jiang, P, Anderson, S.H, Kitchen, N.R, Sudduth, K.A, Sadler, E.J
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions available water capacity Biological and medical sciences claypan soils Earth sciences Earth, ocean, space electrical conductivity equations estimation Exact sciences and technology Field capacity Fundamental and applied biological sciences. Psychology Management decisions Moisture content plant available water regression analysis Silt loam Soil horizons Soil profiles Soil science Soil water Soils spatial variation statistical models subsurface layers surface layers Surficial geology thickness Topsoil Water management Water pressure
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