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2. Sand-based athletic fields - Wikipedia

   en.wikipedia.org/wiki/Sand-based_athletic_fields

   Highly maintained areas of grass, such as those on an athletic field or on golf greens and tees, can be grown in native soil or sand-based systems. There are advantages and disadvantages to both that need to be considered before deciding what type of soil to grow turf in. [4] Native soils offer many positive qualities, such as high nutrient holding capacity, water holding capacity, and sure ...

3. Buffer strip - Wikipedia

   en.wikipedia.org/wiki/Buffer_strip

   Contour buffer strips used to retain soil and reduce erosion. A buffer strip is an area of land maintained in permanent vegetation that helps to control air quality, soil quality, and water quality, along with other environmental problems, dealing primarily on land that is used in agriculture.

4. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   An optimum figure for topsoil in the UK is a C:N ratio of less than 20:1. A sawdust base typically has a high C:N ratio in the order of 400:1 while an alfalfa hay has a low carbonaceous content and can typically have a C:N ratio around 12:1.

5. Infiltration (hydrology) - Wikipedia

   en.wikipedia.org/wiki/Infiltration_(hydrology)

   In semi-arid savannas and grasslands, the infiltration rate of a particular soil depends on the percentage of the ground covered by litter, and the basal cover of perennial grass tufts. On sandy loam soils, the infiltration rate under a litter cover can be nine times higher than on bare surfaces.

6. Universal Soil Loss Equation - Wikipedia

   en.wikipedia.org/wiki/Universal_Soil_Loss_Equation

   The Universal Soil Loss Equation (USLE) is a widely used mathematical model that describes soil erosion processes. [1]Erosion models play critical roles in soil and water resource conservation and nonpoint source pollution assessments, including: sediment load assessment and inventory, conservation planning and design for sediment control, and for the advancement of scientific understanding.

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!