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15 Cards in this Set
- Front
- Back
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What is agronomy?
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The study of the principles of crop production.
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What percent of the United States population is involved in food production?
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Around 2% (1-3%)
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What percent of the Third World population is involved in food production?
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75 to 80%
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What percentage of their income do consumers in the US spind on food?
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16 to 17%
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What percentage of their income do Third World consumers spind on food?
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60 to 90%
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What is the main reason that United States agriculture requires so little hand labor when compared to other countries, especially third world?
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Mechanization-the use of machinery.
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What is biomass?
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The total amount of material a plant produces.
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What are three ways in which biomass can be used for fuel?
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They can be burned directly or converted to liquid or gaseous fuels.
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What other valuable product is produced when alcohol is distilled from corn or other grain?
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Distillers Grain
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What are distiller grains used for?
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Livestock Feed
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Why is it necessary to continue increasing the world's food supply?
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The world's demand for food will continue to increase as the population of the world increases.
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What is the ultimate source of the various kinds of energy (except atomic energy) that we use on this earth?
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Sunlight.
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What are the three functions of roots and what are the two basic types of roots?
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They provide a firm anchor for the plants and take in water and nutrients, store food.
2 types are fibrous and tap roots. |
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What is the function of stowmates?
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They regulate the flow of air and water vapor in and out of leaves.
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What is a monoecious plant?
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The male flower and the female flower parts are in different locations on the same plant.
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