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Detta examensarbete har gjorts på uppdrag av SP Maskiner AB och berör längdmätningsenheten på skördaraggregatet SP451LF. Pulsgivaren i den befintliga längdmätningen anses inte nå en acceptabel livslängd och därför skall ett sensorlager prövas som ersättare. Uppdraget består i …
föryngringsresultat 7-10 år efter avverkning
… planting of spruce after soil scarification in clear-cut areas. Totally 17 harvesting sites have been inventoried and 15 of those included natural regenera-tion in birch shelterwoods, and two were subjects to soil scarification and planting of spruce. The sites represented 7-10 …
en litteraturstudie
During whole-tree harvesting, there is a risk that the soil will become impoverished of nutrients. To prevent this, nutrients are returned to the harvested site as wood ash. This action also reduces the risk of soil acidification. Nevertheless, the ash does not result in any …
det operativa traktvalets påverkan på den säsongsmässiga uthålligheten i ett bolagsdistrikts traktbank
… of Umeå, during autumn 2007 and was based on interviews and an analysis of harvest planning and delivery data. The study showed that there is a problem with how the cutting is distributed between own and contracted private forest during the year and that it foremost is the …
… and more important. To succeed with this goal it is of importance not only to harvest in the right period, but also to be able to store the ensilage without a decrease in quality and nutrional values. To maintain a good ensilage the covering of the ensilage must be carefully …
en jämförelse mellan svenska lantbrukare
… for the world's grain which means that a major production area with a good harvest face many buyers. In a situation where market forces play an increasingly important role, price movements have become a major problem. A market that is constantly exposed to sharp price changes …
en fältstudie och utredning av behov i södra Sverige
… by storms, and consequently a large amount of Södra’s members were affected. Harvesters and forwarders passed over ditches while working up felled trees, and considerable reforestation areas suddenly called for measures. Harvestings on wetlands often give rise to rising …
… a TDR meter. Plant nutrient status were analysed during the growing season. At harvest the tuber yield was graded into three sizes, weighed and assessed with respect to quality defects and cooking properties. The results showed a tendency for higher yield (9%) of bed-grown …
en kartläggning som ett steg i golfklubbens miljöarbete
… nutrients from the water and to reduce algal growth. - Water plants should be harvested and co-composted with grass clippings from greens and tees. - Frog and salamander protection zones within 100 m of surface water should be maintained. - To reduce the risk of nutrient …
… example farm on 600 ha. The reason for 600 ha is because that’s what a combine harvester can harvest in one season, this also involves the timeliness-costs and the probability of good weather. We have used a calculation program to calculate hours of labour, fuel consumption and …
… forests, partly to minimize damages and partly because it leads to earlier harvesting revenues and increases the value of the remaining trees. There are many different indices used to describe stand density and thereby the need of thinning in forests today. Studies have shown …
… breeding in farmland may be problematic for several reasons; mowing or harvesting often results in the death of the chicks and predation from terrestrial predators like foxes. As a consequence of the EN classification, a national action program was recently published describing …
före och efter vattenvårdsutbildning på Stora Enso Skog, distrikt Siljan
… 2006, Stora Enso Skog implemented an education program in water management for harvester operators, timber purchasers, cut block planners and supervisors. The focus of the program was creating stream crossings with minimal harm to the stream and the surrounding riparian area …
studier av kretslopprojektet i Enköping och dess applicering på en kommun i Ryssland.
… sewers are used to fertilize and irrigate Salix plantations that later are harvested and burned at the local combined heating and power plant, ENA Energy AB, to produce electricity and heat. Possibilities to apply this kind of project ona municipality in Russia are also …
Vass, bredkaveldun och gäddnate i Bergviks dagvattendamm
… in surface-water ponds, in order to elute the water from heavy metals. Regular harvesting of the broad-leafed pondweed from the surface-water pond, together with regular cleaning of the sediment may reduce the occurrence of heavy metals in the recipient of Kattfjorden.
