Understanding Agriculture New Directions for Education (1988) / Chapter Skim
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Appendix A: The Changing Face of American Agriculture
Appendix A: The Changing Face of American Agriculture
Pages 51-53
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Farmers became more knowledgeable about which crop plants and animals were suitable for the highly varied climates and conditions around the United States. This growth notwithstanding, farms were largely self-contained enterprises until about the 1930s, when the agricultural sciences began to progress rapidly.
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From page 52... ...
Agricultural research and extension education programs responded to the needs of farmers seeking greater efficiency, higher yields, and more specialization. Vocational agriculture programs also followed suit, focusing in different parts of the country on changing crops, enterprises, and production methods.
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From page 53... ...
Embryo transfers, gene insertion, growth hormones, and other technologies stemming from genetic engineering will result in dairy cows that produce more milk while consuming less feed and livestock that grow faster with fewer pounds of feed. By the end of this century, biotechnology will allow some major crops to be altered genetically so that they become naturally resistant to the diseases and insects that now force farmers to treat crops with pesticides.
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