The condition in which not enough calories are ingested to maintain health.
Having a diet that lacks the correct balance of proteins, carbohydrates, vitamins, and minerals.
A condition in which people have access to sufficient, safe. and nutritious food that meets their dietary needs for an active and healthy life.
A condition in which people do not have adequate access to food.
The condition in which food insecurity is so extreme that large numbers of deaths occur in a given area over a relatively short period.
A deficiency of iron.
Ingestion of too many calories and a lack of balance of foods and nutrients.
Livestock or poultry consumed as food.
Agriculture that applies the techniques of mechanization and standardization. Also known as agribusiness.
The fossil fuel energy and human energy input per calorie of food produced.
A shift in agricultural practices in the twentieth century that included new management techniques, mechanization, fertilization, irrigation, and improved crop varieties. Resulted in increased food output.
Economies of scale
The observation that average costs of production fall as output increases.
A form of soil degradation that occurs when soil remains under water for prolonged periods.
A form of soil degradation that occurs when the small amount of salts in irrigation water becomes highly concentrated on the soil surface through evaporation.
Fertilizer composed of organic matter from plants and animals.
Produced commercially, normally with the use of fossil fuels. Also known as inorganic fertilizers.
An agricultural method that utilizes large plantings of a single species or variety.
A substance, either natural or synthetic that kills or controls organisms that people consider pests.
A pesticide that targets species of insects and other invertebrates that consume crops.
A pesticide that targets plant species that compete with crops.
Broad spectrum pesticide
A pesticide that kills many different types of pest.
A pesticide that targets a narrow range of organisms.
A pesticide that remains in the environment for a long time.
A pesticide that breaks down rapidly, usually in weeks or months.
Build up of substances, such as pesticides, or other chemicals in an organism. Occurs when an organism absorbs a substance at a rate faster than that at which the substance is lost by catabolism and excretion.
Decreased susceptibility of a pest population to a pesticide that was previously effective at controlling the pest.
A cycle of pesticide development, followed by pest resistance, followed by new pesticide development.
The farming systems that include the use of synthetic chemical fertilizers, pesticides, herbicides, other continual inputs, mechanization, and genetically modified organisms.
An agricultural method in which land is cleared and used for a few years until the soil is depleted of nutrients.
The transformation of arable, productive land to desert or unproductive land due to climate change or destructive land use.
The feeding of herds of animals by moving them to seasonally productive feeding grounds, often over long distances.
Agriculture that fulfills the need for food and fiber while enhancing the quality of the soil, minimizing the use of nonrenewable resources, and allowing economic viability for the farmer.
An agricultural method in which two or more crop species are planted in the same field at the same time to promote a synergistic interaction.
An agricultural technique in which crop species in a field are rotated from season to season.
An agricultural technique in which trees and vegetables are grown next to each other in rows or other patterns.
An agricultural technique in which plowing and harvesting are done parallel to the topographic contours of the land.
An agricultural method in which farmers do not turn the soil between seasons as a means of reducing topsoil erosion.
Integrated pest management (IPM)
An agricultural practice that uses a variety of techniques designed to minimize pesticide inputs.
Production of crops without the use of synthetic pesticides or fertilizers
Concentrated animal feeding operations (CAFOs)
An animal feeding operation (AFO)—a farm in which animals are raised in confinement—that has over 1000 "animal units" confined for over 45 days a year.
A commercially harvestable population of fish within a particular ecological region.
The decline of a fish population by 90% or more.
The unintentional catch of nontarget species while fishing.
Individual transferable quotas (ITQs)
A fishery management program in which individual fishers are given a total allowable catch of fish in a season that they can either catch or sell.
Farming aquatic organisms such as fish, shellfish and seaweeds.
A plant that lives for only one season.
A plant that lives for multiple years.
A pesticide that targets species of fungus that can damage crops.
The concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed.
Includes not only a wide variety of species, but also the many ways in which farmers can exploit biological diversity to produce and manage crops, land, water, insects, and biota.
The process through which agricultural and forestry practices remove carbon dioxide (CO2) from the atmosphere.
Community Supported Agriculture
A group of individuals who pledge support to a farm operation so that the farmland becomes, either legally or spiritually, the community's farm, with the growers and consumers providing mutual support and sharing the risks and benefits of food production.
A broad range of soil tillage systems that leave a residual cover on the soil surface, substantially reducing the effects of soil erosion from wind and water. These practices minimize nutrient loss, decreased water storage capacity, crop damage, and decreased farmability.
Local/Community Food System
A collaborative effort to integrate agricultural production with food distribution to enhance the economic, environmental, and social well-being of a particular place
The practice of cultivating, processing, and distributing food in or around a village, town, or city.
A system of farming principles and practices that increases biodiversity, enriches soils, improves watersheds, and enhances ecosystem services.
A system of agricultural and social design principles centered around simulating or directly utilizing the patterns and features observed in natural ecosystems.
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