Sökning: "efecto invernadero"
Hittade 3 uppsatser innehållade orden efecto invernadero.
1. A REPERCUSSÃO DAS INICIATIVAS DO GOVERNO BRASILEIRO PARA A PROTECÇÃO DA AMAZÓNIA NA IMPRENSA SUECA ONLINE DURANTE O GOVERNO DE LULA
Kandidat-uppsats, Institutionen för spanska, portugisiska och latinamerikastudierSammanfattning : A problemática ambiental no mundo é um tema de suma importância na atualidade. Devido ao incremento do efeito estufa, as mudanças climáticas têm despertado grandes reações no mundo em todas as esferas. Para isso, a Amazónia cumpre um papel decisivo na salvação do planeta e portanto é imprescindível a proteção da mesma. LÄS MER
2. Bekämpning av vita flygare (Aleurotrachelus socialis) i kassava (Manihot esculenta) : fysikaliskt verkande insektsmedel : mortalitet och appliceringsteknik
L3-uppsats, SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)Sammanfattning : The study was performed in southwest of Colombia in close collaboration with the interna-tional centre of tropical agriculture, CIAT and supervised from the university of Valle, Uni-valle, Cali, Colombia and from the Department of Landscape Management and Horticultural Technology, SLU, Alnarp, Sweden. The main purpose of this thesis was to evaluate six different non-conventional insecticides and their ability to control whitefly Aleurotrachelus socialis in cassava Manihot esculenta. LÄS MER
3. Effect of cultivar mixture on the competitive ability of barley against weeds
L3-uppsats, SLU/Dept. of Crop Production EcologySammanfattning : While it is known that mixtures of cultivars generally stabilise crop yields and reduce losses caused by diseases, their influence on weeds has not yet been thoroughly investigated. Competitive effects against weeds are dependent on specific plant characteristics, which can vary between cultivars. LÄS MER