Sökning: "undersökningar om bekämpningsmedel"
Visar resultat 1 - 5 av 10 uppsatser innehållade orden undersökningar om bekämpningsmedel.
1. Pharmaceuticals and other chemicals of emerging concern in leachate from a landfill and sludge storage facility
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : The occurrence of 86 chemicals of emerging concern (CECs) (including pharmaceuticals, parabens, per- and polyfluoroalkyl substances, pesticides, stimulants, an isoflavone and an industrial chemical) was investigated in this study at Hovgården, a waste facility in Uppsala (Sweden). The selected CECs were analysed using solid phase extraction, sludge extraction and ultra-high pressure liquid chromatography coupled to mass spectrometry. LÄS MER
2. Betningsmedel med flupyradifuron mot jordloppor i vårraps : effektivitet och miljöpåverkan
Kandidat-uppsats, SLU/Dept. of EcologySammanfattning : Sedan 2013 har betningsmedel innehållande neonikotinoider varit förbjudna. I och med förbudet minskade odlingen av vårraps i Sverige med 90 % trots att grödan har många goda egenskaper. En av anledningarna bakom den minskade odlingsarealen är bristen på effektiva bekämpningsmedel mot jordloppor. LÄS MER
3. The possibilities of recycling wash water at Vidinge
Master-uppsats, Lunds universitet/Kemiteknik (CI)Sammanfattning : Water is a resource of importance and with drier weather around the world, including Swe-den, there is a risk of too low levels of water to satisfy for instance households, animals and industries in the future. Fresh-cut fruit and vegetable industries are water intense and almost all process water is used in the washing process. LÄS MER
4. Effects of within-field and landscape factors on Dasineura brassicae in winter oilseed rape cultivations in Skåne, southern Sweden : a field survey with a special approach to pesticide-free control zones
Master-uppsats, SLU/Dept. of Plant Protection BiologySammanfattning : Winter oilseed rape (Brassica napus) is the most common oilseed crop grown in the province of Skåne in southern Sweden, where this study was performed. B. napus is often associated with various insect pests. This study regards two of these; the cabbage seed weevil (Ceutorhynchus obstrictus) and the brassica pod midge (Dasineura brassicae). LÄS MER
5. Adoption of Automation in the Horticulture Industry : A Case Study at a Robotics Company in the U.S. and Canada
Master-uppsats, KTH/Industriell ManagementSammanfattning : The purpose of this thesis is to fill the previous research gap concerning automation in the horticulture industry by discovering the adoption of automation in the U.S. LÄS MER