Social Changes in Farming

My dad has been associated with farming for his entire life. He took over for my grandpa in 1978 and has owned and operated the farm with my uncle David for 24 years. He now takes care of the hiring of help, financial aspects, and actually doing the work.
My dad has noticed some changes in farming over the past years. He has noticed that milk production has almost doubled in dairy cows due to better nutrition and better genetics and crop production has increased by 25% - 50% due to better plant breeding and now genetic modifying of the plants for insect and disease resistance. He has also noticed that machinery and other phases of farming are more technical such as the increased use of computerized components. Computers are now being used for things like keeping records for the cows or for accounting. When my dad was first getting started, a small hand held calculator would cost more than 100 dollars. Now you could by a much better calculator for 5 dollars. Tractors have also become larger with more horsepower. For example, our largest tractor had 110 horsepower and now our largest tractor has 180 horsepower.
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