mrs. schaffner. the science and technology of producing and using plants for food, fuel, feed,...
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the science and technology of producing and using plants for food, fuel, feed, fiber,
and reclamation.
Agronomist today are involved with many issues including …
producing foodcreating healthier foodmanaging environmental impact of
agriculturecreating energy from plants.
Crop RotationIrrigation DrainagePlant breedingplant physiologysoil classificationsoil fertilityweed controlinsectpest control
Selective Breeding of Plants to produce the best crop under various conditions
Increase crop yieldImprove nutritional valueDevelop new types of plants (hybrid)Must meet the following:
MarketLand and water accessQuality and quantity inputsRisk protectionAgricultural credit
Defined as: manipulation involving taking genes from their normal location in one organism and either transferring them elsewhere or putting them back into the original organism
A part of BiotechnologyAmerican Association of the Advancement of
Science called genetic engineering one of the 4 major scientific revolutions of this century.
1944 DNA ID as genetic material1952 Double strand DNA structure ID1973 First transgenic bacteria prepared1976 First genetic engineering company
(Genetech) established1980 First patent for genetically engineered
microbe1982 Approval of first genetically engineered drug1986 First field test of genetically engineered
plant1987 Genetic engineering patent extended to
higher life-forms
the management of agricultural systems with an emphasis on ecological and environmental perspectives.
Examples…sustainable agricultureorganic farmingalternative food systemsdevelopment of alternative cropping systems