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Thursday, March 21, 2019

Food Production Essay -- essays research papers

Over the 10,000 years since agriculture began to be developed, peoples everywhere present discovered the food value of wild plants and sentient beings, and domesticated and bred them. The most valuable crops argon cereals such as wheat, rice, barley, corn, and rye sugarcane and sugar beets sum of money animals such as sheep, cattle, goats, and pigs or swine poultry such as chickens, ducks, and turkeys animal products such as milk, cheese, and eggs and nuts and oils. Fruits, vegetables, and olives are also major(ip) foods for people. Feed grains for animals include soybeans, field corn, and sorghum. Separate articles on individual plants and animals barricade further information.Tillage operations that prepare the soil for planting and curtail weeds also expose bare soil to possible erosion by wind and peeing. Erosion removes fertile soil and contributes to problems of air and water pollution. Several techniques are used to combat erosion. Crop farmers are chemise toward red uced-tillage techniques to prepare their seedbeds. Many keep a mulch cover of residues to screen their soil from wind and water erosion. Crop rotation and cover crops are also being increasingly used to hold soil in place between plantings. Still, many sm every last(predicate)-seeded crops require a finely worked, fine-grained seedbed, and soil erosion cannot be completely eliminated.Fertilizers from both natural and construct sources can also contribute to water pollution. Soluble-nitrogen forms can leach into groundwater, and all fertilize...

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