The second agricultural revolution

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6 Terms

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Second Agricultural Revolution

Period that brought improved methods of cultivation, harvesting, and storage of farm produce that began in the late 1600s and continued through the 1930s.

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Seed Drill

A machine for planting seeds in a row.

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Mechanical Reaper

 A machine used to harvest grain crops mechanically; patented by Cyrus McCormick in 1831.

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Scythe

An agricultural hand tool with a curved blade used for cutting grain in the fields.

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Agrichemicals

Chemical compounds obtained from petroleum and natural gas for use in agriculture; agriculture; agrichemicals include fertilizers, pesticides, and herbicides.

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Synthetic Fertilizer

 Industrially manufactured nitrogen, phosphorus, and potassium, made from petroleum by-products, contains higher concentrations of nutrients for plants than natural fertilizers.