农业研究中心的有机废物堆肥

Alejandro José Morales Vargas, Camila Andrea Rojas Cortés
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摘要

对某农业研究中心使用堆肥处理有机废物进行了调查。比较了控制堆肥(轮作和灌溉)和自然堆肥的效果。在120天的时间里,在使用不同材料(大豆秸秆、小麦秸秆、树木修剪及其组合)的两个堆肥床上进行了试验。对温度、湿度、pH值、碳和氮含量以及质量和体积的减少等变量进行了评估。控制处理保持适当的湿度,表现出温和的嗜热阶段,并取得了更大的质量和体积的减少。在所有情况下,pH值保持中性,碳氮比下降,表明堆肥形成成熟。综上所述,在120天的研究期间,无论使用哪种类型的废物,受控堆肥都被证明在转化有机物方面更有效。
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Composting of Organic Waste at an Agricultural Research Center
The use of composting to manage organic waste at an agricultural research center was investigated. The effectiveness of controlled composting (with rotation and irrigation) and natural composting was compared. Over a period of 120 days, tests were conducted on two composting beds using different materials (soy straw, wheat straw, tree prunings, and combinations thereof). Variables such as temperature, humidity, pH, carbon and nitrogen content, as well as reduction in mass and volume, were evaluated. The controlled treatments maintained appropriate humidity, exhibited a milder thermophilic phase, and achieved greater reduction in mass and volume. pH values remained neutral in all cases, and a decrease in the carbon/nitrogen ratio was observed, indicating the formation of mature compost. In summary, controlled composting proved to be more efficient in transforming organic matter during the 120-day study period, regardless of the types of waste used.
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