Essays about: "frost period"
Showing result 1 - 5 of 21 essays containing the words frost period.
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1. Hur påverkar mekaniskt snytbaggeskydd, markberedning, plantstorlek och plantgödsling granplantors överlevnad och tillväxt?
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : Reforestation of land entails both costs and uncertainties. Risk of pine weevil infestation, competition from other vegetation, frost and insufficient nutrient supply are some examples. READ MORE
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2. Emissions of nitrous oxide associated with frost killed cover crops
University essay from SLU/Dept. of Biosystems and Technology (from 130101)Abstract : Agriculture is responsible for approximately 80% of anthropogenic emissions of the potent and long-lived greenhouse gas nitrous oxide (N2O). N2O emissions from agricultural soils are characterized by high temporal and spatial variability and often peak in short bursts related to events such as precipitation, fertilization and soil thawing. READ MORE
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3. Complete removal of biomass from oilseed radish as a cover crop decreased nitrous oxide emissions
University essay from SLU/Dept. of Biosystems and Technology (from 130101)Abstract : One of the many benefits of utilizing cover crops in crop rotations is their carbon sequestrating effect. However, frost-sensitive cover crops could emit high levels of the potent greenhouse gas nitrous oxide. READ MORE
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4. Vegetation phenology derived using the plant phenology index and the normalized difference vegetation index for the Balkan peninsula, south-eastern Europe
University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapAbstract : This study analyses the performance of the satellite derived Plant Phenology Index (PPI) against the Normalized Difference Vegetation Index (NDVI) for estimating start of season (SOS) and end of season (EOS) of vegetation growth in part of the Balkan Peninsula, Southeastern Europe (2000 – 2016). Results revealed that PPI and NDVI differ considerably; SOS and EOS may diverge by more than one month between the two indices. READ MORE
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5. Potentiella framtida problem i Sverige med den invasiva arten Malörtsambrosia, Ambrosia artemisiifolia : en fördjupande studie om Ambrosia artemisiifolia
University essay from SLU/Dept. of Biosystems and Technology (from 130101)Abstract : Malörtsambrosia (Ambrosia artemisiifolia) är en växt som härstammar från Nordamerika där den är ett utbrett problem inom jordbruket. För pollenallergiker är malörtsambrosian en av de växter som orsakar störst problem i Nordamerika. READ MORE