6 uppsatser
The aim with this thesis is to make a comparison between forcing tulips in a hydroponic system and the forcing off tulips that have been planted in soil. The results are mostly based on interviews with six Dutch and one Swedish tulip forcer and the managing director at the …
… for the production of worm protein as a fish feed. Vegetable waste from the hydroponic part of the system can be reused as worm feed in the compost and the protein rich worms can be harvested, dried and grinded and brought back to the aquaculture as fish feed. As a first step in …
a possibility to reduce nutrient levels and produce commercially interesting metabolites
… is about 20-25% drained off and become waste, if there is no recirculation system in the greenhouse. The nutrient composition of the drainage water varies over the season, but is generally high in nitrogen. Considering a sustainable development of the Swedish greenhouse …
… control using untreated water. All vases were kept in a static aerated culture system in a daylight chamber for four weeks. The results showed that the effect of the two blocks exceeded the effect of vortex treatment in terms of leaf area and weight of fresh and dry matter …
landskapet, människan och teknologin
… thesis are in order or scale: artificially illumi-nated vegetation, vertical hydroponics with integrated greywater treatment and technolo-gized agriculture. The thesis seeks to find the inherent strengths and weaknesses within these examples to try and find whether or not there …
Med spillvärme från LKABs gruvindustri
… används glas och som stommaterial används stål. Ett hydroponiskt odlingssystem används där plantorna sätts direkt i en cirkulerande näringslösning och på så sätt kan systemet utformas med horisontella odlingsrör i flera vertikala odlingsplan. För uppvärmning av växthuset kommer …
