Results 61 to 70 of about 26,316 (252)

Bioenergy feedstock supply from wheat straw: A farm level model incorporating trade‐offs in crop choices, disease risk, and soil fertility

open access: yesCanadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Volume 72, Issue 3, Page 285-307, September 2024.
Abstract Second‐generation biofuel (e.g., ethanol, renewable diesel) can be made from crop residues. However, the availability of residues for biofuel production is uncertain, because farmers have the option to grow different crops and use the residues for alternative purposes, such as livestock bedding and feed, or leave them in the field to improve ...
Curtis J. McKnight   +3 more
wiley   +1 more source

Gestió de cadàvers d'animals de companyia. Legislació, ètica i sostenibilitat [PDF]

open access: yes, 2011
Treball presentat a l'assignatura de Deontologia i Veterinària Legal ...
Alonso, Ana   +3 more
core  

Contribution a l'étude de résidus de produits phytosanitaires acaricides et insecticides dans le raisin

open access: yesOENO One, 1992
Les auteurs rapportent les résultats donnés par la recherche de résidus d'insecticides et d'acaricides dans les raisins du marché, ainsi que lors d'essais de dégradations sur pieds dans des conditions climatiques différentes.
Gilberte Marti-Mestres   +2 more
doaj   +1 more source

Covariant residual entropy [PDF]

open access: yesJournal of High Energy Physics, 2014
35 pages, 6 figures; v2: references added, matches the published ...
openaire   +4 more sources

The future of food safety: possible trends for the years 2022‐2032 and their influence on food safety and nutrition

open access: yesFood Risk Assess Europe, Volume 2, Issue 3, July 2024.
Abstract Over the next decade, demographic, societal, technological, economic, environmental, and political factors are expected to significantly influence the agri‐food chain. Demographic shifts, characterised by an aging population and sustained migration, along with evolving consumer demands, will drive a greater emphasis on sustainability.
Gary Delalay   +2 more
wiley   +1 more source

El pantà de Flix: Anàlisi i resolució d’un problema de contaminació forta

open access: yesCiències, 2016
En aquest article es realitza una perspectiva sobre el problema actual de contaminació greu de l’embassament de Flix (Ribera d’Ebre), generat pels abocaments massius dels residus de l’activitat d’una planta clor-àlcali al riu Ebre.
Joan O. Grimalt
doaj   +1 more source

Avaluació ambiental de la recollida de residus municipals de Sant Boi de Llobregat [PDF]

open access: yes, 2008
La gestió dels residus municipals ha d'avançar cap a la sostenibilitat per tal de poder fer front al gran volum de residus que es generen actualment i no malmetre el medi ambient.
Gabarrell Durany, Xavier   +3 more
core  

Scientific Guidance on the criteria for the evaluation and on the preparation of applications for the safety assessment of post‐consumer mechanical PET recycling processes intended to be used for manufacture of materials and articles in contact with food

open access: yesEFSA Journal, Volume 22, Issue 7, July 2024.
Abstract In the context of entry into force of Regulation (EU) 2022/1616, EFSA updated the scientific guidance to assist applicants in the preparation of applications for the authorisation or for the modification of an existing authorisation of a ‘post‐consumer mechanical PET’ recycling process (as defined in Annex I of Regulation (EU) 2022/1616 ...
EFSA Panel on Food Contact Materials   +31 more
wiley   +1 more source

Lutte intégrée contre les parasitoses animales tropicales

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1996
Dans le passé, la lutte contre les parasites était essentiellement basée sur l'utilisation de médicaments et de pesticides. La tendance actuelle est vers une approche plus flexible, intégrant divers autres moyens de combattre ces pathologies.
Gerrit Uilenberg
doaj   +1 more source

Pla de gestió de residus ramaders de la comarca de l’Urgell [PDF]

open access: yes, 2000
EStudi base pel disseny de pla de gestió de dejeccions ramaderes a la comarcal de l'Urgell. Finançat pel Patronat de Promoció Econòmica de la Diputació de Lleida, Fons Social Europeu i els Departaments de Medi Ambient i d'Agricultura, Ramaderia i Pesca ...
Flotats Ripoll, Xavier   +3 more
core   +1 more source

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