Toward Construction of the Resource-Circulating Type System in Islands; Composting of Livestock Excretion

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  • 島嶼地域の資源循環型家畜排せつ物処理システム
  • トウショチイキ ノ シゲン ジュンカンガタ カチクハイセツブツ ショリ システム

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The fundamental structure of an economic activity is ‘production→consumption→decomposition’. When an economy-based-on-recycling society is intended to realize the effective relation among industries, it is a subject how the waste discharged at the result of production and consumption activities give new added value systematically.<br>In the compost system treated in this paper, [purifying of sewage for agricultural use+making manure of a livestock excretion thing] are first performed at a compost factory. The livestock breeder who receives this first influencing acquires the effect of [processing of excretion+improvement in productivity of stock farming+rationalization of livestock management].<br>About ordinary farmers, [the production of organic crops by the organic farming+water for agricultural use by the organic fertilizer] become possible, and consequently it is connected with [environmental improvement (reduction of bad smell and polluted water)+spread of organic crops] for local residents.<br>As the whole environment, it becomes [purification of pollution by the stockbreeding+dissolution of the seashore and the river], and [a rise of the mitigation+construction of eco-town+cutback in environmental maintenance expenses] can be expected.

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