Transcription of Chapter 7 Nutrient Leaching - Cornell University
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Chapter 7 Nutrient Leaching - Cornell University
Chapter 7 Nutrient LeachingJ. LEHMANN1 ANDG. SCHROTH21 College of Agriculture and Life Sciences, Department of Crop andSoil Sciences, Cornell University , 909 Bradfield Hall, Ithaca, NY14853, USA; 2 Biological Dynamics of Forest Fragments Project,National Institute for research in the Amazon (INPA), CP 478,69011 970 Manaus, AM, SynopsisNutrient Leaching is the downward movement of dissolved nutrients in thesoil profile with percolating water. Nutrients that are leached below therooting zone of the vegetation are at least temporarily lost from the system,although they may be recycled if roots grow deeper. Leached nutrientsmay contribute to groundwater contamination in regions with intensiveagriculture. Nitrate Leaching is also a significant source of soil humid climates, some Nutrient Leaching occurs even under naturalvegetation, but agricultural activities can greatly increase Leaching losses(Havlin et al.)
National Institute for Research in the Amazon (INPA), CP 478, 69011–970 Manaus, AM, Brazil 7.1 Synopsis Nutrient leaching is the downward movement of dissolved nutrients in the soil profile with percolating water. Nutrients that are leached below the rooting zone of the vegetation are at least temporarily lost from the system,
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