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… studies on the subject resulted in a hypothesis saying that bio fuels from soils with high clay content are most likely to cause deposit growth in biomass fired boilers, because of their rich content of nouris hment such as for example potassium. To confirm or reject this …
… were to determine choice of tree species, ways of regenerate, occurrence of soil scarification and the occurrence of machine tracks in newly established buffer zones. To full fill these purposes a field inventory was made of harvested buffer zones. The clear cuts were chosen …
… 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 Horticultural Research Centre, Proeftuin Zwaagdijke, in the Netherlands …
… discovered. PCE is still used as dry cleaning liquid. Today CAH´s are found in soil environment at places where they have been used in the past. The CAH-concentration in trees growing on contaminated land has quite recently received attention as a cheap and effective way of …
föryngringsresultat 7-10 år efter avverkning
… and to (ii) compare those regeneration results with 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 …
… analysis of stump harvest; Evaluate the number of, and quality of, the soil preparation were no extra measure was taken; Make an overview of the market of stump harvest devices. There are 3-4 different devices for stump harvest on the market and the most common is the Finnish …
Texture is an important soil property and accurate particle size analysis of soil texture is therefore crucial. There are a number of well-established and newly developed methods available for determining soil texture. In order to compare the results of these methods, the …
Phosphorus is essential to all plants and is taken up from the soil as the ion H2PO4 - (and to some extent HPO42-). Plant availability depends on, among other factors, the soil pH. In order to provide for plant available phosphorus, it is applied as mineral fertilizers and …
… to influence from environmental factors such as weather, seed predation and soil preparation quality. The development of mechanical seeding equipment started in 1970 in Sweden. Since then, several mechanical seeding equipments are constructed. KSM-såddskopa and Humax 2-4 are two …
… by several habitat characteristics (such as vegetation, altitude, latitude, soil moisture). In the autumn of 2011 a field study was conducted with the intention of collecting suitable data in order to analyze these characteristics. The studies were carried out on 20 of SCA's …
a comparison between agroforestry and non-agroforestry farms
… study was conducted in Kkingo district, west of Masaka, Uganda. It compared soil macrofauna abundance in non-agroforestry farms with that of agroforestry farms. The agroforestry farms had participated in the Vi Agroforestry´s program between 1995 and 2006, and continued on their …
… water entering waterways. Bioretention utilizes natural processes in soil and vegetation to treat pollutants and combat this threat. Biochar produced through pyrolysis, has a high cation exchange capacity (CEC) and could therefore increase treatment in bioretention systems. This …
En intervjustudie med en grupp yrkesverksamma inom anläggning av hållbara gröna miljöer.
… they chose trees to an area. However they considered properties such as wet soil, clay soil, sandy soil and the urban environment when they decided on the trees for an area. The interviewees discussed 22 different trees and their root systems and what kind of adaptations in …
a study on growth conditions for the planted regeneration in a rainforest rehabilitation project
… heavy which causes compaction of the forest floor and during transport the top soil layers are moved to improve mobility. In the years that follows runoff in the skid tracks can be high and leaking of nutrients and other material is often higher in the skid tracks compared to …
… that the Spirit drill had placed a greater percentage of seeds in loose soil. At both sites drilling with Rapid gave higher emergence than drilling with Spirit. There was no significant correlation between seed placement and emergence although there was a trend towards that an …
