Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"composts"”.
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Detection of antibiotic resistance genes in gardening composts
… antibiotic resistance and potential pathogens in composts, two homemade composts, eight commercially available composts, and one immature swine mortality compost were collected and analyzed by high-throughput quantitative polymerase chain reaction (qPCR). One soil sample without a known …
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Effect of different kinds of organic materials & fertilizers on the accumlation of ammonia & nitrate nitrogen in composts
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Soils, 1940
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Utilisation des composts de biodéchets ménagers pour l'amélioration de la fertilité des sols acides de la province de Kinshasa (République Démocratique du Congo)
… It consists of a scientic research of the use of composts produced from household organic waste in improving the quality of sandy soils to the province of Kinshasa. The general objective pursued in this work is to evaluate the impact of four repeated applications of organic matter from bio-waste …
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Caracterización de la población de Fusarium oxysporum f. sp. dianthi en la costa Noroeste de Cádiz y control mediante composts supresivos de las marchiteces vasculares
… como sustratos hortícolas. Además, algunos composts de alta calidad o bien sustratos enriquecidos con agentes de control biológico inciden disminuyendo las enfermedades producidas por algunos de los principales hongos fitopatógenos, siendo además una alternativa al Bromuro de Metilo en los …
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Availability and Surface Runoff of Phosphorus from Compost Amended Mid-Atlantic Soils
… loam (Ultic Hapludalf), amended with one of 4 composts (2 biosolids composts and 2 poultry litter - yard waste composts), poultry litter, or inorganic P (as KH2PO4) in incubation and greenhouse pot studies. We also compared the effects of compost, poultry litter and commercial fertilizer on …
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COMPOST QUALITY RECOMMENDATIONS FOR REMEDIATING URBAN SOILS
… conducted a bioassay to measure the effects of composts made from different feedstocks on various plant health characteristics. We also collected leachate during the experiment to measure nutrient loss from our different compost-amended soils. We found all compost amendments improved soil …
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Compost Application Practices for Revegetating Disturbed Soils
… we evaluated the effect of surface-applied composts and standard hydroseeding applications on changes in soil properties and turfgrass stand on a highway roadside. The short-term effects of (1) no compost application; (2) 2.5 cm compost surface mulch; (3) 2.5 cm compost application, …
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The Effects of Agricultural Waste-Based Compost Amendments in Organic Pest Management
… determine the effects of grape and olive-based composts on soil pathogen load, arthropod communities, and weed biomass and diversity. Field experiments were conducted in both organic and conventionally grown bell pepper (<em>Capsicum annuum</em> L.) systems during the summer growing season of …
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Compost effects on plectosporium blight
… and microbial communities associated with composts both have varying effects of compost on P. tabacinum growth in vitro. Additionally, the enzymatic activity related to the breakdown of cellulose may play a role in the effects of compost on P. tabacinum growth. In an outdoor pot experiment, …
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Effect of Poultry Litter-Yard Waste Compost Application on Phosphorus Availability in Diverse Soils
… solution by OH⁻ from application of the alkaline composts. It would be desirable from the standpoint of more PL utilization to prepare composts from low substrate ratio substrates. Hence, in this research composts were prepared from 15:1, 20:1, and 25:1 C:N substrates, which consisted of PL and …
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The Effects of Rootstock Selection and Carbon-based Fertility Amendments on Apple Orchard Productivity and Soil Community Ecology
… amendments, such as yardwaste, chicken litter composts, and biochar, may potentially reduce nitrogen and water loss, while improving soil structure and mineral nutrient availability. Orchard and pot-in-pot experiments were designed to study the following objectives: 1) determine the effects of …
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Runoff Impacts And Lid Mitigation Techniques For Mansionization Based Stormwater Effects In Fairfax County, Va
… or amending 20% of the open space with soil composts would reduce the runoff volume back to the 1997 quantity for the 1-year, 24-hour storm.
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The use of organic materials as amendments in the remediation of soils contaminated by lead, copper and zinc
… conducted to evaluate the ability of bone meal, composts, peat, coir and wood bark to sorb Pb, Cu and Zn. Single sorption carried out over a metal concentration range of 0.1 mmol 1-1 using 0.001M and 0.1M Ca(NO3)2 as background electrolytes showed very high sorption of Pb, Cu and Zn by the …
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ASSESSING THE IMPACTS OF ORGANIC AMENDMENTS ON DISTURBED SOIL PROPERTIES, WATER QUALITY AND VEGETATION GROWTH
… rapid vegetation growth. Three types of composts (turkey litter, food waste and yard waste) with varying nutrient properties were tested. A wood-based biochar was the fourth chosen OA because of its valuable use in agriculture and environmental remediation. The findings showed that turkey …
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Studies of microplastics present in sewage sludge, effects on amended agricultural soils
… to earthworms in southern Spain was evaluated. Composts were used, selected at different stages of the composting process (humid, semi-dried and fine composts), and different types of fertilised soils at ascending doses (S1, S2 and S3), taking samples at different depths (0-5, 5-10 and 10-20 cm) …
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Understanding microbial communities through horizontal gene transfer
… observation that communities from garden composts were capable of maintaining high diversity in single-carbon-source microcosms, I started by tracing the community assembly process under a serial transfer regime at a higher resolution and concluded that the diversity maintained is little …
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The performance of Takakura composting using food waste from Makanan Ringan Mas Industry
… Ringan Mas Industry. Two types of takakura composts were prepared with different decomposing mediums and fermentation liquids. Each reactor was then left to stable for up to 22 weeks and the final product content was determined to evaluate the level of decomposition. Physical, chemical and …
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Biofiltración de compuestos orgánicos volátiles utilizando diferentes tipos de lecho basados en mezclas de compost de RSU-poda: monitorización mediante diversas técnicas
… greater than 90% were obtained using composts of municipal solid waste (MSW) or MSW-pruning residue as biofilter material. An electronic nose identified qualitative differences among the biofilter output gases at very low concentrations of VOCs. These differences were related to …
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Avaliação da atividade antifúngica de fitoconstituintes contra candida albicans
… the C. albicans growth and the activity of the composts on its micromorphology. Regarding to the kinetics of the fungal growth, a fungicide activity (reduction ≥ 3 log 10 UFC/mL from the initial inoculum) wa s observed utilizing citral on C. albicans ATCC 76485 and LM 70 strains, from 4 hours in …
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