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Spatial and temporal variability of soil water repellency of Amazonian pastures.
From:
Australian Journal of Soil Research
| Date:
May 1, 2005| Author:
Johnson, Mark S.; Lehmann, Johannes; Steenhuis, Tammo S.; de Oliveira, Lucielio Vargem; Fernandes, Erick C.M.
| COPYRIGHT 2005 CSIRO Publishing. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.Copyright information
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Fire is commonly used to establish and maintain pastures in the Amazon. Fire is also known to induce soil water repellency but few published data exist for the humid tropics. The objectives of this study were to characterise the intensity and spatial variability of water repellency on previously burned pasture soils in the Amazon, and its effect on the nutrient status of the forage grass Brachiaria brizantha (Hochst.) Stapf. Surface soils of pastures and forests in north-western Mato Grosso...
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