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