627 uppsatser · sida 42 av 42
Hur slagkraftig a?r dagens ha?llbarhetscertifiering och kan den föra?ndra mark- och vattenpa?verkan fra?n odlingarna?
… on how to reduce the usage of fossil fuels. Ethanol is a good alternative to conventional gas and has been used in Brazil since the 1970 ?s. In Sweden several newspapers has written about the poor working conditions on many farms thus making the Swedish company SEKAB design a …
… do not always fulfill the labor standards that are defined in various conventions. The society began demanding companies to take social responsibility. The social responsibility goes under the term Corporate social responsibility (CSR). Companies created their own codes of …
… weeds, and there is the row harrowing coming as a good complement to the conventional weed harrowing. In this experiment is weed harrowing whit different row spaces and row harrowing with a spacing of 25 cm compared. Then are the weed picked and the weight taken of them. The …
… A field trial was set up where drip irrigation was used as an alternative to conventional irrigation techniques to maintain high and constant soil moisture. The application of water in the drip irrigated area was monitored and adjusted on a daily basis so that the soil moisture …
… of financing the high cost of preparing dense stands for a profitable first conventional thinning. This concept can be labelled bioenergy thinning. The aim of this study was to quantify the productivity of a Vimek 404R light harvester with an accumulating Naarva-Grip cutting …
litteraturstudie om reningsmetoder samt pilotförsök med jonbytesteknik
… in drinking water a number of different techniques can be used, for example conventional coagulation and filtration, pressure-driven filtration, adsorption or ion exchange. How successful a method turns out to be mainly depends on the chemical constituents in the ground water …
… or solved. Organic pigs have the possibility to a more natural behaviour than conventional pigs. With outdoor pigs comes problems, especially during wintertime, concerning water and feed supply, thermal environment and supervision. Parasites and leakage of plant nutrients are …
… or postrenal which is important to establish during an investigation. With conventional methods decreased renal function is not detected until 70 % of renal function is lost. The ability to detect and start a treatment earlier might reverse or slow the progression of disease …
Metabolic diseases in dairy cows are considered to increase the risk for claw lesions, most of all laminitis, sole haemorrhages and sole ulcers, but also to increase the risk for environmental claw lesions. The aim of this study was to compare claw health in 27 Swedish dairy …
… (+0.3 %) when the soil was rotary-cultivated in the autumn compared with conventional mouldboard ploughing in the autumn. The penetration resistance tended to be lower and the water infiltration rate higher when soil was rotary-cultivated in the autumn. The amount of blue colour …
en utredning om utsläpp av fenolföreningar samt metallsorption
… bark have shown that this is a material that may be used as an alternative to conventional filter materials, such as activated carbon. However, the study of pine bark has shown that a leakage of phenolic compounds may occur when using the material for water purification …
… with the GROT-method (harvest of timber, pulpwood and logging residues) and conventional logging without any harvest of forest fuel, and aslo to try to identify factors affecting the profitability of the different methods. All calculations, analysis and comparisons were made on …
