Essays about: "ammoniumnitrat"

Showing result 6 - 8 of 8 essays containing the word ammoniumnitrat.

1. 6. The effect of arginine on root system development in Norway spruce (Picea abies L. Karst) somatic embryos

   University essay from SLU/Dept. of Forest Genetics and Plant Physiology

   Author : Johanna Carlsson; [2012]
   Keywords : Somatic embryogenesis; Picea abies; Norway Spruce; arginine; ammonium; root development; root system analysis;

   Abstract : The demands for higher production yields and better quality materials from the forests are increasing globally. Tree breeding programs are directed to meet the future demands on forests. In order to capture the full benefits from the breeding programs, clonal propagation is necessary. READ MORE

3. 7. 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

4. 8. Nitrogen mineralization in a sludge-amended sandy clay loam in South Africa

   University essay from SLU/Dept. of Soil Sciences

   Author : Anna-Karin Mellin; [2005]
   Keywords : sewage sludge; nitrogen mineralisation; incubation; South Africa; soil; decomposition;

   Abstract : Sewage sludge is a solid, semi-solid or liquid byproduct produced by waste water treatment plants. It contains both compounds of agricultural value (e.g. organic material, nitrogen, phosphorous, potassium and to a lesser extent calcium, sulphur and magnesium), and pollutants (e. READ MORE