fertilizer composed of plants and animals

when soil is degraded from staying under water for long periods of time

The observation that average costs of production fall as output increases

pesticides that targets a select insect species

Agriculture that applies the techniques of mechanization and standardization

fertilizers produced commercially that normally use fossil fuels to be produced

happens when small amounts of salt become highly concentrated on the surface from evaporation

this size of farms are more profitable than the other

pesticides that target completing plants

An agricultural method that utilizes large plantings of a single species or variety

this fertilizers is more likely to be carried off by runoff

irrigation can cause some places to be more efficient but in other it cause water to be

this percent of the workforce is in agriculture in developing countries

pesticides that target narrow range of organisms

A shift in agricultural practices in the twentieth century

this method of agriculture requires large amounts of fertilizer

this percent of useable land produces 40% of the worlds food

this percent of the workforce is in agriculture in developed countries

pesticides that remains in the environment for a long time

most famous synthetic pesticide banned in 1972

energy intense process to create a specific fertilizers

total area in which desert was transformed in the Imperial Valley

Average size of farms in Iowa went from ___ to ___ from 1950 to 2000.

cycle of pesticide development and pest resistance

The fossil fuel energy and human energy input per calorie of food produced.