13 Soil Conservation.pdf.edu

13 Soil Conservation.pdf.edu - 1 Sustainable Agriculture...

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Unformatted text preview: 1 Sustainable Agriculture Reasons for concern: Population increases Environmental concerns Development of marginal land Economic and political concerns Aims of Sustainable Agriculture: Maintain and improve resource base Protect the environment Increase productivity Increase profitability Conserve energy Improve food quality and safety Create a viable socioeconomic infrastructure. Features of Sustainable Agriculture: Crop rotations Nutrient management Weed control Insect and disease control Livestock Crop rotations: Crop diversity Row and sod crops Legumes and nitrogen fixation Forages Soil aggregation Weed control Insect control Disease control Nutrient management: Legumes and N fixation Manure additions Soil testing and fertilizer additions Definition of soil erosion Soil erosion is a two-phase process: Detachment of individual particles from soil aggregates Transport of particles by erosive agents - wind or water....
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This document was uploaded on 11/04/2011 for the course PWS 150 at BYU.

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13 Soil Conservation.pdf.edu - 1 Sustainable Agriculture...

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