AGR 4 - Professor: Bruce Jones PDF

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Professor: Bruce Jones...

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intertillage the practice of mixing different seeds and seedlings in the same swidden desertification Degradation of land, especially in semiarid areas, primarily because of human actions like excessive crop planting, animal grazing, and tree cutting. Image: desertification genetic modification Branch of biotechnology that alters the genes in biological organisms to achieve a medicinal or agricultural purpose Image: genetic modification sustainable yield An amount of a renewable resource such as trees that can be harvested regularly without reducing the future supply clustered rural settlements a rural settlement in which the houses and farm buildings of each family are situated close to each other and fields surround the settlement Image: clustered rural settlements dispersed rural settlement Where farmers live on individual farms isolated from neighbors rather than alongside other farmers in settlements. Image: dispersed rural settlement enclosure movement The process by which British landlords consolidated or fenced in common lands to increase the production of cash crops. The Enclosure Acts led to an increase in the size of farms held by large landowners. Image: enclosure movement fallow inactive, plowed but not sowed Image: fallow extensive subsistence farming consists of any agricultural economy in which the crops and/or animals are used nearly exclusively for local or family consumption on large areas of land and minimal labor input per acre mixed crop and livestock farming

integration of crops and livestock, with most of the crops being fed to the animals rather than consumed directly by humans, which in turn provides manure fertilizers and goods for sale, like eggs. Image: mixed crop and livestock farming capital-intensive farms Farm that makes heavy use of machinery in the farming process. labor intensive farms Where most of the work is done by humans ie plantations large scale grain production Extensive commercial grain farm where grain is grown to be exported elsewhere for consumption Image: large scale grain production...