Stubbtransporter - en jämförelse av tre olika transportsystem
… the total system cost.The lifted stump volume (m3f) was on average 35% of the harvested stem-wood volume (m3fub).
Uppsatser om harvest
337 uppsatser · sida 17 av 23
Evaluating six crop mixes used for game fields in southwest Sweden
biomass production, fallow deer preference and species diversity
… biomass production was measured inside stationary exclosures, before and after harvest. Exclosures and GPS marked fallow deer (Dama dama) were used to estimate biomass consumption and preference. To estimate species diversity I used pitfall traps, beating nets and transects to …
Produktivitetseffekter av flerträdshantering
… and the impact of collecting partially delimbed fuelwood assortments has on harvesting performance. The study is based on data from thinnings in Sydved and contractors' operating activities. Collection and compilation of operating schedules, number of stems and surveyed volumes …
Chewing behaviour of growing cattle
… by a number of aspects, such as maturity stage of the forage at the time of harvest, fibre content of the animal feed and feed particle size. In growing cattle changes are observed in chewing duration, most likely due to physiological development (i.e. growth) of the animal …
Grovkrossning av stubbar
en produktivitetsstudie
… goal may be to increase the usage of stumps as a bio-fuel. In Sweden stump harvesting is possible on about 5-10% of the total harvested area and thus contribute with 1,3 - 2,6 TWh per year. An increase stump harvest doesn't come without its drawbacks for the environment. When …
Fruits of knowledge
a case study of marketing strategies for small-scale mango farmers in the Nyanza Province, Kenya
… for growing mango in the Nyanza Province are very beneficial and there are two harvesting seasons. Mango offers good income opportunities for small-scale farmers in the Nyanza Province.The aim of this study is to identify marketing conditions that will enable prospering business …
Concentration and offtake of trace elements and macronutrients in Italian ryegrass (Lolium multiflorum Lam.) and spring barley (Hordeum vulgare L.) grown on soils amended with water treatment residual sludge
… (t) ha-1 revealed significantly higher yields (6.3 t ha-1) of Italianryegrass harvested twice, compared with a control without WTR addition (4.1 t ha-1) for a clayloam. The corresponding value for a loamy sand was 7.0 t ha-1 with WTR compared with 4.1 tha-1 for the control. For …
The economic consequences of Striga hermonthica in maize production in Western Kenya
… today the staple food for many households. Goodfarming conditions enable two harvests per year and a potential maize yield of 4-5 tons perhectare.A major problem for many farmers in this area is the increase of the weed striga. The weedcauses severe yield losses, and has a major …
Fertilization in Eucalyptus urophylla plantations in Guangxi, southern China
… treatment.The mean basic density value was significantly lower in the wood harvested from treatmentNPK-300-B (469 kg/m3) compared to wood from the control (498 kg/m3).The leaf analysis showed that the concentrations of all nutrients have increased in bothtreatments since the …
Markering och risning av basvägar inom slutavverkningstrakter
en intervjustudie hos maskinförare och planerare
In an attempt to prevent ground damage and to reduce harvesting costs, StoraEnso's districts Värmbodal and Fryken, selected a number of final felling areas where the base roads have been marked by planners in the districts. The parties involved in the experiment are mainly …
Retention of stumps on wet ground at stump-harvest and its effects on saproxylic insects
… insects i.e. insects depending on dead wood for their survival. Recent stump harvesting activities threaten this substrate of ecological importance and increase the anthropogenic negative impacts on these species. Because of technical and environmental reasons (nutrient leakage …
Tidsstudie av containerhuggbil
The fork lifter chipper truck is a concept which has been developed for harvest and transport of bio fuel. The system consists of one fork lifter chipper truck and 1, 2 or 3 transport lorries, usually two, which serves the fork lifter chipper truck. The system is driven by the …
Fröskörd av hampa
metoder och tekniker för fröskörd av industrihampa
… easier to implement. During interviews, the Swedish growers who managed to harvest hemp seed when Finola was permitted in Sweden were interested in cultivation of hemp and seed threshing in the future, as the economics of cultivation appear promising. However, new seed varieties …
Konkurrens mellan rådjur och dovhjort
… two areas. For additional information the history of the populations, such as harvest and distribution, is also investigated. The report came to the conclusion that interspecific competition between the species do occur. The elevated distance between individuals of the two …
Biologiska behandlingsmetoder för rening av rejektvatten från biogasproduktion
… been shown to be the most productive. It is important to conduct a regular harvest of the plants if a high production should be maintained. High quantity of biomass per unit area can inhibit the growth, and algae are more sensitive to this than the macrophytes often suffering …