337 uppsatser · sida 11 av 23
… The objective is to compare the simulations created by the tools with the harvested volumes from those stands. Three variables are needed for the bucking simulation; these are the diameter distribution (at breast height), the relationship function between diameter and height …
Booth for operational planning of harvesting and for long term planning, data is today collected manually. Intensive objective field inventories are usually too expensive. To enhance optimisation of timber flow from forest to industry Moore efficient methods for measuring tree …
en inventering av vägtrummor och skyddszoner kring dessa i Uppsala län och norra Västmanlands län
Interference in an ecosystem means a disturbance. When harvesting, forest roads have to be build to cope with heavy duty vehicles. Crossing brooks can not always be avoided. In this case bridges or culverts have to be built. There are many different kinds of culverts and …
studier av en mad vid Bornsjön
… of organic matter was taking place in the wetland. Since the area has not been harvested since the 1980s, organic material has probably accumulated in the wetlands. When the soil thaws in spring, old organic material starts decomposing and this process most likely negates the …
… to get a bank loan the people of Femsjö parish went out in to the forest and harvested trees for timber and extra cash revenue. Production of pine tar and potash were two other ways that the residents of Femsjö parish could earn extra money for the household in order to keep …
utveckling av ett skogsbolags tjänster och köpverksamhet till privata skogsägare
… and tax rules and also to provide resources for forestry services besides harvesting (e.g. silviculture, forest management planning). The trademark Sveaskog should be strengthened through information campaigns in media to inform the general public as well as the private forest …
barndomsskildringar från 14 prästgårdsträdgårdar i Växjö stift
… You could not buy fresh vegetables and fruits in the grocery store, so the harvest had to last all year round. Except for the kitchen garden there was also a smaller ornament garden at the rectories around the 1950th. The kitchen garden supported the economy and the ornamental …
ett odlingsförsök vid tre rödfyrshögar i Västra Götalands län
… plots were natural soil mixed with peat adjacent to the mounds. After harvest the vegetables were dried and weighed in order to determine the growth. Growth medium samples were analyzed for the plant available fraction of arsenic, vanadium, molybdenum, cadmium, nickel, and lead …
… 9 cm before thinning The result shows a decrease of the cost per m3 for the harvester with about 38% if all trees less than DBH 9 cm was cleaned before thinning compared with the un-cleaned area. At the same time the total net revenue increases with about 22%.
… on the revenues generated from it. Thus, it is vital that Swedish forests are harvested in an efficient and responsible manner. The demand for biofuel is growing and today accounts for 15% of total Swedish energy production, a share that will probably increase. This study is …
… future measures in the forest may be accepted by the public when the forest harvester enters the woods, it is very important that a well functional work of information has been made. The people living close by the forest shall have been informed a couple of weeks before the time …
ett välbehövligt komplement?
… the Nordic countries. In CCF a considerable amount of the trees are left after harvest to favour values that require a continuity of tree-covered areas. There are thus hopes that this method will meet the needs for maintaining biodiversity and satisfy social and cultural values …
… dry weather in spring and in the beginning to summer. Timothy gives acceptable harvest of seed for about three years. Red clover Red clover is also sensitive for dry weather and is suitable to grow in the south part of Sweden. It is no good idea to plant on soft soil because it …
en fallstudie
… economic alternative. It is not common that moisture content is below 14% when harvesting grain in Sweden. To store the grain safe it has to be preserved in some way. I have described some of the most common systems for preserving grain in this paper. I have used the systems as …
en jämförelse av ett silotorksystem med omrörare och en konventionell anläggning
… sold due to the possibility to sell when the price is higher compared to the harvesting season. An investment in grain drying and storage with a relatively low investment cost that recently has appeared on the Swedish market is the grain stir drying system. This study contains a …
