Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Maarit Hellstedt"'
Autor:
Maarit Hellstedt
Publikováno v:
Сельскохозяйственные машины и технологии, Vol 13, Iss 2, Pp 27-30 (2019)
Abstract. Odour from agriculture causes local nuisance to the neighborhood. Litter and cover materials can be used in animal housing and in storage of manure to reduce the odour problem. The use of biochar as a covering for animal manures is a new in
Externí odkaz:
https://doaj.org/article/6b951833613a4a44b54cf7bad32e7464
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 2 (2018)
Data on manure quantity and quality is a prerequisite for planning manure management and regulation. It is the basis for directing manure use into more efficient and environmentally sound actions and for fulfilling the targets of nutrient recycling i
Externí odkaz:
https://doaj.org/article/8afbaab806054670a7e5677c69e82c50
Autor:
Hannu Haapala, Maarit Hellstedt
Publikováno v:
AGROFOR. 5
Agriculture is the most significant source of Ammonia emission that causes e.g. loss of Nitrogen from agricultural systems. Manure is the main source of Ammonia emissions and causes losses in the nutrient cycles of agriculture as well as local odour
Autor:
Maarit Hellstedt
Publikováno v:
The Journal "Agriculture and Forestry". 66
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 2 (2018)
Data on manure quantity and quality is a prerequisite for planning manure management and regulation. It is the basis for directing manure use into more efficient and environmentally sound actions and for fulfilling the targets of nutrient recycling i
Publikováno v:
Suomen Maataloustieteellisen Seuran Tiedote
Maatilat ovat kasvaneet Suomen EU-jäsenyyden aikana huomattavasti. Kasvu on merkinnyt isoja investointeja uusiin tuotantorakennuksiin. Rakentamisessa on siirrytty pienimuotoisista omaa puutavaraa ja omaa työpanosta sisältäneistä hankkeista suuri
Publikováno v:
Journal of Agricultural Engineering, Vol 44, Iss 2s (2013)
The size of farms has increased considerably during Finland's EU membership. The growth has meant big investments in the new production buildings. The buildings have been switched to big industrialhall- like constructions from small-scale ones which
Autor:
Marja Lehto, Hanna-Riitta Kymäläinen, Ilkka Sipilä, Sanna Sorvala, Anna-Maija Sjöberg, Maarit Hellstedt
Publikováno v:
Environmental technology. 30(1)
This study highlights the need for the development of simple, efficient, and cost-effective farm-scale applications to treat wastewater arising from vegetable-peeling operations. The aim was to evaluate two full-scale biological wastewater treatment
Autor:
Hanna-Riitta Kymäläinen, Maarit Hellstedt, Jenni Määttä, Riitta Mahlberg, Risto Kuisma, Anna-Maija Sjöberg
Publikováno v:
Määttä, J, Hellstedt, M, Kuisma, R, Kymäläinen, H-R, Mahlberg, R & Sjöberg, A-M 2009, ' Effects of chemical and mechanical wearing on the cleanability and surface properties of traditional and new surface materials in cattle barns : A laboratory study ', Biosystems Engineering, vol. 103, no. 4, pp. 464-473 . https://doi.org/10.1016/j.biosystemseng.2009.02.003
The cleanability of floorings and feeding surfaces affects the well-being of animals and even food safety. In addition to factors associated with comfort, such as hardness and friction, floorings should withstand strong chemical and mechanical stress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7da3fb35b6ac6ff5df026f5162eb3cfe
https://cris.vtt.fi/en/publications/15e2a7e8-60b4-47b0-80bb-14b8e334c3b0
https://cris.vtt.fi/en/publications/15e2a7e8-60b4-47b0-80bb-14b8e334c3b0
Properties and cleanability of new and traditional surface materials in cattle barns - a field study
Publikováno v:
Agricultural and Food Science, Vol 17, Iss 3 (2008)
Agricultural and Food Science
Agricultural and Food Science
In this study surface properties and cleanability of new and traditional surface materials in cattle barns were examined in a field test. The concrete and plastic-coated samples were placed on a walking path on the floor and on a feeding table in a c