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Listar por palabra clave "Manure"

Mostrando ítems 1-9 de 9

Análisis de los avances tecnológicos en el tratamiento de purines de granjas porcinas

Rebollo San Segundo, Cristian (Universitat Politècnica de València, 2020-10-07)

[ES] El presente TFM analiza la gestión y valoración del purín procedente de granjas porcinas de régimen intensivo, para lo cual se examinan diferentes proyectos llevados a cabo tanto por entidades nacionales como europeas. ...
Environmentally sustainable biogas? the key role of manure co-digestion with energy crops

Agostini, Alessandro; Battini, Ferdinando; Giuntoli, Jacopo; Tabaglio, Vincenzo; Padella, Monica; Baxter, David; Marelli, Luisa; Amaducci, Stefano (MDPI, 2015)

We analyzed the environmental impacts of three biogas systems based on dairy manure, sorghum and maize. The geog. scope of the anal. is the Po valley, in Italy. The anaerobic digestion of manure guarantees high GHG (Green ...
Evaluación técnica y ambiental del vermicompostaje de estiércoles de ovino, caprino y conejo

Franch Dasí, Jorge (Universitat Politècnica de València, 2015-10-06)

[EN] Vermicompost is analternative to add value to livestock excreta. Particularly, the Universitat Politècnica de València has experimental farms which produce about 500 t of manure every year, from rabbit and small ...
Experimental balance to estimate efficiency in the use of nitrogen in rabbit breeding

Calvet Sanz, Salvador; Estellés Barber, Fernando; Hermida, B.; Blumetto, O.; Torres Salvador, Antonio Germán (World Rabbit Science. ICTA. UPV, 2008)

[EN] Defining the composition and properties of manure in livestock production is critical in order to minimise possible environmental impacts stemming from its management. In this study, a nitrogen balance was carried out ...
Measuring and assessing the role of deep litter to estimate the ventilation rate using the CO2 mass balance method

Calvet, S.; Van Dooren, H.J.; Ogink, N.W.M.; Mosquera, J. (Elsevier, 2022-12)

[EN] Highlights Calculation methods for CO2 emissions using static chambers are assessed. CO2 emission values from manure and their variability are explored. The effect of factors affecting CO2 emission from manure are ...
Measuring gas emissions from livestock buildings: A review on uncertainty analysis and error sources

Calvet Sanz, Salvador; Gates, Richard S.; Zhang, GuoQiang; Estellés, F.; Ogink, Nico W. M.; Pedersen, Soren; Berckmans, Daniel (Elsevier, 2013-11)

Measuring gaseous and particulate emissions from livestock houses has been the subject of intensive research over the past two decades. Currently, there is general agreement regarding appropriate methods to measure emissions ...
Methyl bromide alternatives on horticultural crops

Cebolla, Vicent; Busto, Julia; Ferrer, Amparo; Miguel Gómez, Alfredo; Maroto Borrego, José Vicente (International Society for Horticultural Science (ISHS), 2000-09-01)

[EN] A very intensive crop rotation, with three to four crops per year, typical in Valencia, frequently includes the earth almond Cyperus sculentus (Xufa) that acts as a real weed for the next crop. Methyl bromide (MB) ...
Pretreatment of Animal Manure Biomass to Improve Biogas Production: A Review

Meneses-Quelal, Washington Orlando; Velázquez Martí, Borja (MDPI AG, 2020-07)

[EN] The objective of this research is to present a review of the current technologies and pretreatments used in the fermentation of cow, pig and poultry manure. Pretreatment techniques were classified into physical, ...
The use of agricultural substrates to improve methane yield in anaerobic co-digestion with pig slurry: Effect of substrate type and inclusion level

Ferrer Riera, Pablo; Cambra López, María; CERISUELO, ALBA; Peñaranda, D.S.; Moset, Verónica (Elsevier, 2014-01)

[EN] Anaerobic co-digestion of pig slurry with four agricultural substrates (tomato, pepper, persimmon and peach) was investigated. Each agricultural substrate was tested in co-digestion with pig slurry at four inclusion ...