![]() The period of each when native plants and ornamental plants grow. Rapid diffusion of new agricultural technology, especially new high-yield seeds and fertilizers. The are and science of managing forests, tree plantations, and related natural resources. Physical, social, and economic access at all times to safe and nutritious food sufficent to meet dietary needs and food preferences for an active and healthy life. Representations of the predator-prey relationships between species within an ecosystem or habitat. Occurring about 10,000 to 12,000 years ago in Eastern Africa, South and East Asia, and Latin America, it domestication of plants and animals developed, subsequently allowing permanent settlements, rise of trade, currency and classes, disease, famine, expansion, and labor specialization. Type of animal feeding operation which is used in factory framing for finishing livestock, notably beef cattle. Harvesting twice a year from the same field. The amount of food that an individual consumes, measured in kilocalories (calories in the United States). The practice of rotating use of different fields from crop to crop each year, to avoid exhausting the soil.Īn area suited by climate and soil conditions to the growing of a certain type of crop or plant group.īranch of agriculture that encompasses the breeding, raising, and utilization of cows, primarily for the production of milk.įinancial transactions in which a portion of a developing nation's foreign debt is forgiven in exchange for local investments in conservation measures.ĭegradation of land, especially in semiarid areas, primarily because of human actions such as excessive crop planting. ![]() Regards a system of agricultural organization where as farm laborers are not compensated via wages but receive a share of the farm's net productivity.Ī machine that reaps, threshes, and cleans grain while moving over a field.Īgriculture undertaken primarily to generate products for sale off the farm.Īny plant gathered from a field as a harvest during a particular season. Husks of grain separated from the seed by threshing. The application of scientific techniques to modify and improve plants, animals, and microorganisms to enhance their value. Genetic engineering of plants and animals with the potential to greatly exceed the productivity improvements of the Green Revolution. The cultivation of seafood under controlled conditions. The deliberate effort to modify a portion of Earth's surface through the cultivation of crops and the raising of livestock for sustenance or economic gain. The time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering. Societies made up of farmers and promote agricultural interestsĬommercial agriculture characterized by the integration of different steps in the food-processing industry, usually through ownership by large corporations. The depletion of a shared resource by individuals, acting independently and rationally according to each one's self-interest, despite their understanding that depleting the common resource is contrary to the group's long-term best interests, as asserted by ecologist Hardin.
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