131 uppsatser · sida 9 av 9
comparisons of different laboratory methods as indices for phosphorus leaching to waters
… differ in their efficiency in desorbing and releasing P from minerals and organic compounds.In the Baltic Sea area, neither a P adsorption index (PSI) or the amounts of P in relation to aluminium (Al-AL) and iron (Fe-AL) in the acidic AL extract is suggested to be a general good …
… 1000 kg energy corrected milk per cow and year between conventional and organic cows that are fed a lower versus a higher share of forage. If the cow shall be able to eat the same amount of energy from forage as from grain or concentrate the eating- and rumination time gets …
… and manufacturer who can provide the material 100% silk wich is organically dyed and handwoven. Silk leaves no energy-footprint and is recycable. I believe that the future will have more focus on the environment and that we will work with more ecologic materials and instead of …
… launched. They consider the impact on the environment and people within the production, why the products from these producers are called ethical fashion. The brands and the stores offering ethical fashion have customers who consider ethical aspects when they buy clothes, so …
Förflyttning av produkt
… an aerated basin is used where the microorganisms, using oxygen, oxidize the organic material to carbon dioxide. The air is pumped from the bottom of the basin and the oxygen can then be transported from the air bubbles to the water through diffusion. The problem with aeration …
Tillsats av biprodukter i skogsindustriellt avloppsvatten
… an aerated basin is used where the microorganisms, using oxygen, oxidize the organic material to carbon dioxide. The air is pumped from the bottom of the basin and the oxygen can then be transported from the air bubbles to the water through diffusion. The problem with aeration …
a comparison between agroforestry and non-agroforestry
… There are studies indicating that the use of agroforestry increases soil organic carbon (SOC) compared to systems without trees. Soils which are high in carbon have many advantages, for example better water holding capacity, which can reduce stress on crops during drought. The …
… to the foetus. The bioavailability of Se depends of the origin and inorganic Se in the form of sodium selenite and sodium selenate has lower bioavailability than organic Se in the form of selenium yeast. It is generally known that Swedish soils have low Se contents and for …
Den ekologiska produktionen styrs av många olika lagar och regler som den konventionella produktionen inte behöver följa. Dessa regler kan ses som en välfärdsgaranti i den ekologiska slaktkycklingproduktionen då reglerna främst är skrivna för att kycklingarna ska kunna utföra …
en projektanalys utifrån ett företagsekonomiskt perspektiv
… 1600 hectare of farmland and a dairy plant. Nearly half of the farmland is organicly cultivated. The substrates for the digester are produced at Wapnö and are calculated to 30 000 ton of liquid manure, 300 ton of ley crops and 70 ton of milk. The method in this study is based on …
… toxic form of mercury and accumulates in fish. Therefore transformation of inorganic mercury (Hg) to methylmercury (MeHg) is an important process that we need to understand in order to possibly counteract the negative effects of mercury in the environment. The seasonal dynamics …
