527 uppsatser · sida 3 av 36
1. Kvickrotens reaktion på myllningsdjup, kvävemängd och kväveplacering i konkurrens med gröda. 2. Reducerad glyfosatanvändning på trädad åkermark :
… the shoots of couch grass were counted. In strategy C, D and E also the volume of couch grass rhizomes was measured. The results showed that competition from a catch crop reduced the possibility of weeds to increase in number on the fallow. In springtime the second year (the …
en fallstudie på Holmen Skog
… result show that it was only profitable to use optimization when harvesting volumes were large, at least 100 000 m3fub. For smaller harvesting volumes, manually created road plans were fully comparable with the optimized road plans. An advantage of using optimization was that …
… of stands and estimating stand variables such as average stand height, volume density, stand volume, and tree species composition in order to identify stands which can be of current interest for thinning. The study also includes how the aerial photo material and experience of …
Underlag för prisförhandlingar
… main tasks, situation analysis of the company's total costs and transportation volume, cost analysis associated with the adjustment of the filling ratio, transport costs for the expansion and new expenses on a combination of expansion with new adjusted filling ratio. Increasing …
… handling harvesters are more efficient in thinnings stands with mean stock volumes less than 0,12 m3fub per stock. The increased efficiency is different for different mean stem classes. In stands with a mean stem volume of 0,04 m3fub per stock, the increase can be as high as 40 …
… Swedish national forest inventory from 2009 to create functions for; height, volume, diameter and number of stems. The functions were used to create rasters corresponding to the estimated variables. The basis for the identification of the conflict stands in the rasters was the …
… the forest company, Holmen, has found large discrepancies between harvested volume and the measured volume at the industry. Factors like bark features, breakage, double tops, bends and stem damages was noted, and all stems were measured manually. Hypothesis testing with the …
En jämförelse mellan RIDAS och internationella riktlinjer
… in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population size of saproxylic organisms. The aim of the present study was to examine how the volume of wood mould varies among ash (Fraxinus …
… in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population size of saproxylic organisms. The aim of the present study was to examine how the volume of wood mould varies among ash (Fraxinus …
… in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population size of saproxylic organisms. The aim of the present study was to examine how the volume of wood mould varies among ash (Fraxinus …
En kvantitativ studie om hälsofrämjande arbete
… advantageous to delay the flows individually. To simulate flow and magazine volumes, the program StormTac has been used. The investigation has shown that storm water volumes to be disposed will be much lower if the disposal is done in one step. Available lawns should be used …
Local disposal of storm water i Västerås - possibilities for increased use in downtown areas
… advantageous to delay the flows individually. To simulate flow and magazine volumes, the program StormTac has been used. The investigation has shown that storm water volumes to be disposed will be much lower if the disposal is done in one step. Available lawns should be used …
a look at Finnish and Swedish forest practices and their applicability in British Columbia’s Interior forests
… The term can be divided in pre-commercial thinning where little if any volume is removed from the stand and commercial thinning where removals are intended to provide a positive economic result. From a silvicultural point of view, the goal of thinning is to enhance future crop …
… find out the viability in performing final felling in stands with high timber volume or if it´s more profitable to leave these stands to the next owner. Will he or she pay more for the standing stock then the industry? The prices of forest-land have increased significantly over …
… than teen cm) reported as cubic meters per hectare. In order to estimate the volume of forest in associated riparian zone, measurements of five thirty meter long and two meter wide samples on both sides of the stream were collected. This study shows that the average amount of …
