Essays about: "tillväxtreaktion"

Found 3 essays containing the word tillväxtreaktion.

1. 1. Growth responses in Swedish boreal coniferous forests after addition of nitrogen as sewage sludge pellets

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Maija Kovanen; [2007]
   Keywords : basal area; growth response; nitrogen fertilization; pinus sylvestris; sludge pellets;

   Abstract : Every year, large amounts of municipal sewage sludge are produced worldwide. Most of the sludge ends up on landfills, garbage dumps and incineration plants, and only small part is utilized as a fertilizer in agriculture and forestry. Sewage sludge contains a lot of nutrients, especially nitrogen. READ MORE

3. 2. Tillväxtreaktion hos skärmträd i högskärm av gran i Medelpad

   University essay from SLU/Dept. of Silviculture

   Author : Anders Sjöström; [2005]
   Keywords : gran; tillväxtreaktion; skärmskogsbruk; skärmträd;

   Abstract : Different methods for shelterwood cutting have been used in differ-ent parts of Europe since the middle ages. The use of shelter wood cutting in Norway spruce (Picea abies (L.) Karst. READ MORE

4. 3. Tillväxtreaktion på kvarlämnade träd i Hagners "Naturkultur" försök

   University essay from SLU/Dept. of Silviculture

   Author : Daniel Ågren; [2005]
   Keywords : tillväxtreaktion; fördröjning; friställning; kvarlämnade träd; grundytetillväxt; huggningsstyrka; naturkultur;

   Abstract : The primary goal of this study was to investigate how the radial growth of retained trees responds after thinning-from-above. The National Board of Forestry which initiated this study, was interested in whether there were differences in the growth-response between the tree species Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L. READ MORE