Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 2
Written by Attila TAMAŞ, Elena Mirela DUŞA, Georgiana-Andreea IGNAT, Nicoleta VRÎNCEANU, Vasilica STAN
Composting is a biotechnology that can turn waste into a product (compost). It can help to improve the condition of waste materials and thus increase the sustainability of the bioeconomy. Source separation is very important for the compost quality. This paper presents the results obtained in a study that involved three composts obtained from biodegradable waste. Two of these were obtained from the organic fraction of municipal solid waste (FODMS) collected together and separated within the integrated waste management center, and the third one resulted from biodegradable household waste, separated at source. Soil and compost mixtures were made of 25%, 50% and 75% compost. A 100% soil control was used for comparison. The study was conducted in a greenhouse, in pots. Three experiments were carried out: the first one involved ryegrass (Lolium perenne L.), the second one, lettuce (Lactuca sativa L.) and the third one, after lettuce, involved radish (Raphanus sativus L.). The effects of compost on plants growth and development, their production and chemical composition, as well as the effects on soil were analyzed.
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