Sökning: "Tellie Karlsson"

Hittade 2 uppsatser innehållade orden Tellie Karlsson.

1. 1. Soil carbon, pH and yield development in a long-term humus balance trial

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

   Författare :Tellie Karlsson; [2013]
   Nyckelord :soil pH; soil carbon; yield development; long term field trial; fertilization; straw management;

   Sammanfattning : Agriculture has to be performed in a sustainable way in order to sustain high yields and to support a globally growing population. Functional soil properties are fundamental for high yields and in order to achieve good soil conditions sustainable management is a key. LÄS MER

3. 2. Biochar as soil amendment : a comparison between plant materials for biochar production from three regions in Kenya

   Kandidat-uppsats, SLU/Dept. of Soil and Environment

   Författare :Kajsa Alvum-Toll; Tellie Karlsson; Helena Ström; [2011]
   Nyckelord :Biochar; Kenya; soil fertility; pyrolysis; pot trial; interviews; soil amendment;

   Sammanfattning : The majority of the people living in sub-Saharan Africa earn their living mainly byfarming. Infertile soils and variable climate make it difficult to reach sufficientcrop yields every year and therefore food security can be low. LÄS MER