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Iowa farmers Todd and Arliss Nielsen with the rye grass cover crop
that protects their soil between corn harvests
Soil and Agriculture
Upon completing this chapter, you will be able to:
Explain the importance of soils to agriculture Explain the principles of soil conservation and provide
solutions to soil erosion and land degradation
Outline major developments in the history of agriculture
Describe techniques for watering and fertilizing crops, and
Delineate the fundamentals of soil science, including soil offer more sustainable alternatives
formation and soil properties
Summarize major policy approaches for pursuing soil
Analyze the causes and impacts of soil erosion and land conservation and sustainable agriculture
degradation
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