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      by 
      Sparks, Donald L., 1953-
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      Excerpt: 
      sequestration, and evironmental pollution.
      by 
      Sparks, Donald L.
      Format: 
      Excerpt: 
      Quantitative Tools for Assessing the Diffuse Pollution Response to Farmer Adaptations and Mitigation...; 1
      by 
      Sparks, Donald L., 1953-
      Format: 
      Excerpt: 
      ; 2. Reducing Diffuse Nitrogenous Pollution of Watercourses; 3. Reducing P Pollution of Watercourses
      by 
      Sparks, Donald L., 1953-
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      Excerpt: 
      . The Global Freshwater Resource; D. Pollution and Human Health; E. Challenges in Optimizing Water Use
      by 
      Sparks, Donald L., 1953-
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      Excerpt: 
      , perennial forages, and cotton. These chapters are balanced by synthetic reviews of organoclays in pollution
      by 
      Brady, Nyle C.
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      Excerpt: 
      Pollution and Conservation Tillage; X. The Systems Approach to Conservation Tillage and Supportive Cultural