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Haggard PLNT 1213 Exam 1 questions with 100% correct answers A+ graded
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Haggard PLNT 1213 Exam 1 questions with 100% correct answers A+ graded
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Haggard PLNT 1213 Exam 1Agronomy - correct answer ✔✔the science and technology of producing and using plants for food, feed,
fiber, fuel and land reclamation.
First domesticated plants - correct answer ✔✔Wild barley, Emmer and Einkorn Wheat
Plants domesticated... - correct answer ✔✔Fertile Cresent ~800BC
First irrigation - correct answer ✔✔Fertile Cresent ~5000BC
First Hand tools used (hoe, plow) - correct answer ✔✔Egypt ~3500BC
First crop rotation - correct answer ✔✔Roman Empire ~200AD
Irrigation - correct answer ✔✔
Terraces - correct answer ✔✔
Conventional Agriculture - correct answer ✔✔Dominant farming in that region. In technology driven
regions. Genetics/Chemicals.
Sustainable Agriculture - correct answer ✔✔a system which strives to view agriculture as an entire
system, where you manage natural resources instead of purchasing and applying inputs. Organic, alt. ag,
reduced input and ecological farming
Synthetic fertilizers - correct answer ✔✔1910s
Hybrid Corn - correct answer ✔✔1920s
, Soil Conservation practices - correct answer ✔✔1940s
Genetic Engineering - correct answer ✔✔1980s
Food Security - correct answer ✔✔When at all times people have access to safe nutritious food.
How many people have food insecure households? - correct answer ✔✔49.1 million
In 2013 what percent of US households were food insecure at some point during the year? - correct
answer ✔✔~14%
Factors to food insecurity: - correct answer ✔✔poverty, HIV/AIDS, natural disasters, population growth,
political corruption, infrastructure and food waste.
Malthusian (1798) - correct answer ✔✔Population increases geometrically while food production
increases arithmetically. Food limiting for human population.
Exponential Growth - correct answer ✔✔occurs under ideal conditions w/ no limiting factors.
What percent of food produced globally is lost of wasted? - correct answer ✔✔30%
Green Revolution - correct answer ✔✔drastic increase in food production in development.
What allowed Green Revolution? - correct answer ✔✔improved wheat and rice varieties, high yielding,
disease resistance, semi-dwarf plants (prevent lodging), improved production methods, training
Cool Season (C3) - correct answer ✔✔begin growing in autumn or early spring. typically reach maturity
in mid-summer. often tolerant of frost (wheat, tall fescue, canola, soybean). more efficient in high-
carbon environments.
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