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| Registros recuperados: 45 | |
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| Pérez,Aridio; Céspedes,Carlos; Núñez,Pedro. |
| Los beneficios de la aplicación de enmiendas orgánicas en la agricultura son conocidos a nivel mundial; sin embargo, existen muy pocos estudios sobre los contenidos nutricionales y actividad biológica de estos fertilizantes orgánicos. En República Dominicana estas enmiendas son aplicadas en la agricultura hace más de dos décadas; pero no han sido estudiadas. El objetivo de la investigación fue determinar las características física-químicas y microbiológicas de las enmiendas orgánicas de mayor uso en República Dominicana, así como las fuentes utilizadas para su preparación. Las muestras de enmiendas orgánicas fueron recolectadas en las localidades de Jarabacoa, Espaillat, La Vega y Montecristi durante el periodo enero del 2005 a julio 2006. En total se... |
| Tipo: Journal article |
Palavras-chave: Propiedades físicas; Químicas; Biológicas; Suelo; Enmiendas orgánicas; Compost. |
| Ano: 2008 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912008000300002 |
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| Kyu-Hyun Park; Ngwa Martin Ngwabie; University of Guelph; Claudia Wagner-Riddle. |
| Composting has the potential to mitigate methane (CH4) and nitrous oxide (N2O) emissions from manure. The heterogeneous nature of emitting surfaces makes it difficult to quantify these emissions. CH4 and N2O fluxes measured using eight small chambers (0.72 m2) and a mega chamber (90 m2) were compared, and the effect of aeration on the fluxes during composting was studied. Two batches of compost were placed in three channels and 2-3 small flux chambers were deployed on each channel. The channels were enclosed by a building serving as a mega chamber. Chamber location significantly affected gas fluxes, pointing to strong spatial heterogeneity. Mean CH4 fluxes from the small chambers were similar or... |
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Palavras-chave: Chamber; Compost; Greenhouse gases; Aeration; Flux. |
| Ano: 2014 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2467 |
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| Park, Kyu-Hyun; Ngwabie, Ngwa Martin; Wagner-Riddle, Claudia. |
| Composting has the potential to mitigate methane (CH4) and nitrous oxide (N2O) emissions from manure. The heterogeneous nature of emitting surfaces makes it difficult to quantify these emissions. CH4 and N2O fluxes measured using eight small chambers (0.72 m2) and a mega chamber (90 m2) were compared, and the effect of aeration on the fluxes during composting was studied. Two batches of compost were placed in three channels and 2-3 small flux chambers were deployed on each channel. The channels were enclosed by a building serving as a mega chamber. Chamber location significantly affected gas fluxes, pointing to strong spatial heterogeneity. Mean CH4 fluxes from the small chambers were similar or 1.4 times higher compared to the mega chamber. Mean... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chamber; Compost; Greenhouse gases; Aeration; Flux. |
| Ano: 2014 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2467 |
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| de Oliveira Lima, Jéssica; dos Santos, Carlos Antônio; da Costa Barros de Souza, Camila; Luiza Batalha Xavier, Cíntia; Moura Brasil do Amaral Sobrinho, Nelson; Goréte Ferreira do Carmo, Margarida Goréte Ferreira. |
| This study aimed to evaluate the effects of the application of poultry litter with different composting times on the occurrence of clubroot and the development of cauliflower plants. Plots inoculated with Plasmodiophora brassicae (Pb) and fertilized with non-composted poultry litter (PL-0 + Pb) and with poultry litter composted for 15 (PL-15 + Pb) and 30 days (PL-30 + Pb), were tested. As control treatments, we used inoculated plots without poultry litter (Control + Pb), non-inoculated plots (NI) and treated with composted poultry litter for 30 days (PL-30 - NI), and without poultry litter (Control - NI). The degree of stabilization and maturation of the poultry litter affected the severity of the clubroot, the volume and mass of healthy roots and galls,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica oleracea var. botrytis; Plasmodiophora brassicae; Compost; Organic matter; Suppressiveness; Brassica oleracea var. botrytis; Plasmodiophora brassicae; Composto; Matéria orgânica; Supressividade. |
| Ano: 2022 |
URL: http://periodicosonline.uems.br/index.php/agrineo/article/view/6806 |
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| Hang,S; Castán,E; Negro,G; Daghero,A; Buffa,E; Ringuelet,A; Satti,P; Mazzarino,M.J. |
| El compostaje del estiércol vacuno de feedlot es una práctica habitual en países desarrollados, con el objeto de aprovechar su valor como enmienda y fertilizante y disminuir el efecto negativo en el ambiente. En la Argentina el estiércol suele aplicarse al suelo sin tratamientos de higienización y estabilización. El objetivo de este trabajo fue evaluar el efecto de dos proporciones de estructurante (aserrín-viruta) y estiércol de feedlot (1:1 y 2:1) en la eficiencia del proceso y la calidad del producto final en pilas con volteos al aire libre. Se prepararon tres pilas de cada proporción de 3 m³ cada una. La etapa termofílica se prolongó por 70-100 días y el contenido de coliformes fecales, elementos potencialmente tóxicos y parámetros de estabilidad y... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Compost; Estabilidad; Madurez; Calidad. |
| Ano: 2015 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1668-298X2015000100005 |
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| Moretti,Sarah Mello Leite; Bertoncini,Edna Ivani; Abreu-Junior,Cassio Hamilton. |
| Sewage sludge (SS) has been widely used as organic fertilizer. However, its continuous use can cause imbalances in soil fertility as well as soil-water-plant system contamination. The study aimed to evaluate possible improvements in the chemical and microbiological characteristics of domestic SS, with low heavy metal contents and pathogens, through the composting process. Two composting piles were set up, based on an initial C/N ratio of 30:1, with successive layers of tree pruning waste and SS. The aeration of piles was performed by mechanical turnover when the temperature rose above 65 ºC. The piles were irrigated when the water content was less than 50 %. Composting was conducted for 120 days. Temperature, moisture content, pH, electrical conductivity... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biosolid; Compost; Pathogen; Soil fertility. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162015000500432 |
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| Siqueira,Félix Gonçalves de; Dias,Eustáquio Souza; Silva,Romildo da; Martos,Emerson Tokuda; Rinker,Danny Lee. |
| Commercial productivity of the Agaricus blazei mushroom is closely related to both the quality of the compost and the choice of soil to be used as a casing material. This study aims to evaluate Agaricus blazei's productivity using two compost formulations and three soils. The two compost formulations were (i) crushed sugarcane bagasse (Saccharum officinarum (L.)) and Coastcross hay (Cynidon dactylon (L.) Pers.), and (ii) crushed sugarcane bagasse (Saccharum officinarum (L.)) and corn husk (Zea mays L.); they were amended with wheat bran, lime, gypsum, superphosphate and urea. The casing materials were extracted from three soils classed as Rhodic Hapludox, Xanthic Hapludox, and Humic Haplaquox. The Rhodic Hapludox soil material was mixed with fragments of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mushroom cultivation; Productivity; Compost; Fruiting indu ction. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162009000600016 |
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| Alvarado Castillo, Gerardo. |
| Morchella esculenta es un hongo comestible de alto valor comercial y la obtención de esclerocios es considerada como la clave para su cultivo. En este trabajo se evaluó la cepa IE-750 en ocho medios de cultivo sólido y seis en forma líquida, utilizando como parámetros el crecimiento micelial, la producción de biomasa, la habilidad para producir esclerocios y su biomasa. El mejor crecimiento micelial se obtuvo en el tratamiento con composta (T7: 53.87 cm2), y en cuanto a la biomasa, el medio de cultivo con levadura fue mejor (T3: 80.3 mg). Los tratamientos con gallinaza y composta, presentaron 40% y 80% de esclerocios, respectivamente, tanto en medio sólido como líquido. La mayor cantidad de biomasa de estas estructuras se presentó en el... |
| Tipo: Tesis |
Palavras-chave: Esclerocios; Composta; Medios de cultivo; Morchella esculenta; Maestría; Agroecosistemas Tropicales; Sclerotia; Compost; Culture media. |
| Ano: 2008 |
URL: http://hdl.handle.net/10521/1414 |
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| Mehanna, Hani Mohamed. |
| Compost has the main role of the organic farming in Egypt, its demand rapidly increased. But for the small scale of the orchards small holders it is a problem, many of Egyptian orchards are small farms (<=0.5 ha), suffering from the lack of small size shredders. Wastes particle size has an impact on the compost industry. Therefore the main object of this project was to design and manufacture a shredder, produces uniform raw material proper for making compost in a short time. This is investigation was done in the National Research Centre, Egypt with the cooperation with scientists from Qingdao Agricultural University, China. This prototype shredder could control the thickness of the recycled orchards wastes according to the needs of compost producers... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Shredder; Orchards wastes; Ansys; Compost. |
| Ano: 2022 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6389 |
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| RODRÍGUEZ,DIANA MARCELA; TORRES,FRANCY ELAINE; GUTIÉRREZ,EDNA VIVIANA; LÓPEZ,MARITZA PAOLA; MARTÍNEZ,MARIA MERCEDES; CARRASCAL,ANA KARINA. |
| Salmonella enterica serovariedad Typhimurium, se ha asociado a brotes por el consumo de frutas y vegetales contaminadas a partir de agua de riego, manipuladores, bioabono y suelo. En esta investigación se inoculó artificialmente un bioabono aplicado a un cultivo de lechuga para determinar la capacidad de transferencia a las plantas, así como establecer el efecto del uso de cubiertas de polietileno en la protección del cultivo frente a este patógeno. Para ello, se utilizaron plántulas de lechuga de ocho semanas y se establecieron cuatro tratamientos y dos controles: T1 y T2, con y sin cubierta de polietileno respectivamente, contenían una concentración de Salmonella enterica Serovariedad Typhimurium ATCC 13176 inoculada en el compost en concentración de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Compost; Lechuga; Salmonella enterica; Serovariedad Typhimurium; Inocuidad. |
| Ano: 2008 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2008000300005 |
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| Romero Yam, Lourdes Alejandra. |
| Se estudió la dinámica microbiana y el contenido de nitrógeno mineral y total durante el proceso de compostaje de cachaza reactivada con gallinaza. Se evaluaron cuatro tratamientos con diferentes proporciones de cachaza y gallinaza (10:0, 9:1, 7:3 y 5:5), en contenedores de 68 L durante 87 días. Las variables evaluadas fueron: temperatura, poblaciones de bacterias, hongos, microorganismos ligninolíticos, evolución de CO2, nitrógeno total, amonio y nitratos. La adición de gallinaza a la cachaza almacenada, incrementó las poblaciones de bacterias, hongos y microorganismos ligninolíticos, estos grupos microbianos mostraron poblaciones de 9.9, 5.5 y 6.4 unidades logarítmicas (ULog), respectivamente. El tratamiento 5:5 presentó una disminución en NH+4 –N (de... |
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Palavras-chave: Ecología microbiana; Lignocelulosa; Biotransformación de cachaza; Compost; Microbial ecology; Lignocellulose; Biotransformation of filter cake; Compost; Maestría; Edafología. |
| Ano: 2013 |
URL: http://hdl.handle.net/10521/2093 |
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| Andrade,Meire Cristina Nogueira de; Jesus,João Paulo Furlan de; Vieira,Fabrício Rocha; Viana,Sthefany Rodrigues Fernandes; Spoto,Marta Helena Fillet; Minhoni,Marli Teixeira de Almeida. |
| Two compost formulations based on oat straw (Avena sativa) and brachiaria (Brachiaria sp.) were tested for the cultivation of three Agaricus bisporus strains (ABI-07/06, ABI-05/03, and PB-1). The experimental design was a 2 x 3 factorial scheme (composts x strains) with 6 treatments and 8 repetitions (boxes containing 12 kg of compost). The chemical characterization of the compost (humidity, organic matter, carbon, nitrogen, pH, raw protein, ethereal extract, fibers, ash, cellulose, hemicellulose, and lignin) before and after the cultivation of A. bisporus and the production (basidiomata mass, productivity, and biological efficiency) were evaluated. Data were submitted to variance analysis, and averages were compared by means of the Tukey's test. According... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agaricus bisporus; Productivity; Strains; Compost; Nutritional value. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000400016 |
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| Kan, Iddo; Ayalon, Ofira; Federman, Roy. |
| This paper presents a comprehensive economic analysis of recycling organic wastes through composting. A mathematical programming model is developed to examine the optimal level of compost production from sources of organic municipal solid waste, livestock manure and wastewater-treatment sludge. The model incorporates the spatial nature of the problem by referring to the locations of the sources for raw organic matter, of the composting plants and agricultural regions. Agricultural demand for compost is derived using estimated production functions for 42 crops, price elasticity of the vegetative agricultural outputs, and farmers' stated willingness to utilize compost. The model accounts for the costs of waste collection, compost production, transportation... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Compost; Economics; Livestock-Manure; Mathematical-Programming; Municipal-Solid-Waste; Waste-Water-Treatment-Sludge. |
| Ano: 2008 |
URL: http://purl.umn.edu/42831 |
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| Millaleo M,Rayen; Montecinos U,Camila; Rubio H,Rosa; Contreras N,Aliro; Borie B,Fernando. |
| Los abonos orgánicos afectan características químicas y biológicas de los suelos contribuyendo a la sustentabilidad de los agroecosistemas. El objetivo del estudio fue evaluar el efecto, en condiciones de invernadero, de la adición de compost en un Ultisol sobre parámetros fúngicos como colonización radical, micelio y esporas, junto con parámetros químicos de suelo y nutricionales de tres cultivos (trigo, frejol y pradera) después de cosecha. El compost fue elaborado con desechos ganaderos y vegetales y aplicado en dosis equivalentes a 8, 20 y 30 Mg ha-1en base a materia seca. Las raíces de todos los cultivos presentaron mayor colonización de hongos micorrícicos arbusculares (HMA) con la dosis más alta, mientras que la longitud hifal fue significativamente... |
| Tipo: Journal article |
Palavras-chave: Compost; Ultisol; Leguminosa; Gramínea; Agricultura orgánica; Micorrizas arbusculares. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912006000300003 |
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| Cortez Hernández, Graciano. |
| En la Mixteca Poblana, predominan suelos calcáreos que por su pH alcalino impiden que las plantas puedan absorber los nutrimentos como hierro y zinc, ocasionando la clorosis férrica, afectando los cultivos de esta región, tales como: caña de azúcar, sorgo, maíz, frijol e incluso los árboles frutales, repercutiendo en el desarrollo, rendimiento y en casos severos la muerte de la planta. En esta región está ubicado el ingenio azucarero de Atencingo que genera anualmente 45 mil toneladas de desechos orgánicos (cachaza). El objetivo de esta investigación fue evaluar el efecto de la incorporación de compost de cachaza al suelo en la corrección de clorosis férrica y rendimiento de sorgo. Se incorporó compost de cachaza a razón de cero, cinco y diez t ha-1 en... |
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Palavras-chave: Dosis de fertilización; Compost de cachaza; Deficiencia; Nutrimentos; Fertilización orgánica; Dose of fertilization; Compost; Filter cake; Deficiency; Nutrients; Organic fertilizer; Maestría; EDAR; Estrategias para el Desarrollo Agrícola Regional. |
| Ano: 2010 |
URL: http://hdl.handle.net/10521/335 |
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| Valarini,Pedro José; Curaqueo,Gustavo; Seguel,Alex; Manzano,Karina; Rubio,Rosa; Cornejo,Pablo; Borie,Fernando. |
| Soil compost application is a common soil management practice used by small farmers of Central-South Chile that produces positive effects on soil properties and also promotes presence and activity of arbuscular mycorrhizal fungi (AMF). This fungi form symbiosis with plant roots improving plant nutrition, as well as producing glomalin, a glycoprotein that has been associated with soil aggregation stability. Therefore, the aim of this study was to evaluate, in an Ultisol from Central-South Chile, the effect of different doses of compost on some soil characteristics at the end of the third year of a crop sequence including wheat (Triticum aestivum L.), bean (Phaseolus vulgaris L.), and grassland (Lolium multiflorum Lam. associated with Trifolium repens L.).... |
| Tipo: Journal article |
Palavras-chave: Compost; Glomalin; Soil aggregation; Ultisol. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000300015 |
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| Registros recuperados: 45 | |
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