337 uppsatser · sida 9 av 23
In ambition to produce more and better harvests, artificial fertilizers are used to produce a better growth of crops in the agriculture landscape. This contributes to leakage of nutrients. Our forests also exhibit a leakage of nutrients. Air pollution contributes to more …
… for this master´s thesis wanted to examine the profitability of a method for harvesting forest fuel, which was unfamiliar to them. The method was the ”long tree tops-method”, here called the LT-method. The LT-method is characterised by the fact that timber is harvested as the …
… their logging operation costs with the bonus. To refine the decision basis, harvester measurement of timber volume has been used in the decision-support system, to make simple yield forecast for logging units. Results from the decision-support system run on material from …
en bakgrundsstudie samt simulering av inventeringsmetoders inverkan på noggrannhet i leveransprognoser till sågverk
… must be delivered at the exact right time. Due to the time span between harvest and delivery of timber from the forest, the mills will depend upon adequate forecasts. This implies controlied bucking to meet the demands from the mill, as well as improvment of existing models for …
skogshistoria inom Särna-Idre besparingsskog i nordvästra Dalarna
… forest. In the same period almost half of the quantity of the dead trees were harvested. During the studied period the volume of dead wood decreased with more than 90%. At an average 1,5% of the landscape area was annually affected of forest fires between the period of 1400- …
en analys av orsaker och effekter
… this was proven to be a successful way expanding the total outcome of the harvest. The studied area in the northeast of Scania, though, consists of morain with a lot of mires - much less nutritious conditions. When the water level is lowered the atmosphere gets access to the …
… complex. The quality depends on everything between how it is treated before harvest to how the consumer is treating it. When a flower is wilting it is difficult to know the reason why. By increasing the control during distribution and handling it is possible to guarantee a …
en systemanalys av effekter från avverkning till levererad virkesråvara
… m3fub. To ensure that the change is technical feasible, a machine operator (harvester and forwarder) and a truck has been operating with 4-meter lengths. The Timber Measurement Association at Mörrum's pulp mill has delivered their point of view of the change. The results show …
en studie av 21 drabbade objekt i södra Sverige
… of joint ownership, instead of one owner of the forwarder and one owner of the harvester. Although Sydveds standards on soil damages are high, and sometimes considered as hard to achieve, they are realistic. Sydved could continue to work with them, but a more accurate way to …
en navigeringsstudie utförd vid Siljansfors försökspark
… DGPS, Farestry planning, Farestry technique, Siljansfars experimental farest, Harvester
… approved, in the National Board of Forestry's inventory of regeneration of harvested areas. The interviews were intended to the different shades of meaning in the answers, in trying to get a complete description of forest owners attitudes concerning regeneration of forests. My …
… a tool for mechanized planting, fixed at the end of the boom on a conventional harvester. The study confirms that manual planting is less expensive under normal conditions. However, the differences between mechanized and manual planting are not that big and with technical …
… to delivery. The part that I have been interested in, is how to dry the harvested seed with out destroying the growth in the small seed. This is very easily done if you aren’t careful during the drying period. To get a good result you need to spread the seed even over the dryer …
… have to control their costs. It is important to see all costs, not the maximum harvest achieved, but the net result. All farmers have different conditions with respect to soil, direction of the farm and were the farm is located geographically. With the right knowledge and …
… a hold of seed and artificial manure to their whole acreage. Therefore the harvests have plummeted after the Soviet Union collapse. The creation and development of modern farms are today practically laying still. It is only a handful of the agricultural businesses that today …
