Sökning: "soil temperature"

Visar resultat 16 - 20 av 350 uppsatser innehållade orden soil temperature.

  1. 16. Nitrogen fixation in wheat (Triticum aestivum) : effect of Azotobacter salinestris CECT 9690 on N-accumulation

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

    Författare :John Pålsson; [2023]
    Nyckelord :Biostimulants; Vixeran; N-uptake; N-concentration; yield; cereals;

    Sammanfattning : Biostimulants are products that can improve nutrient availability, nutrient uptake, nutrient use efficiency and tolerance to abiotic stress with the aim to increase plant growth and yield. During the last decades, the interest in, and market for biostimulants has grown and is expected to have a large compound annual growth rate. LÄS MER

  3. 17. Soil Carbon Stocks in Old Growth Forest : Drivers of variability in soil organic carbon stocks in old growth boreal forests

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Elis Ingvarsson; [2023]
    Nyckelord :old growth forest; boreal; soil organic carbon stocks; climate gradient;

    Sammanfattning : Soil organic carbon (SOC) is the largest carbon pool in terrestrial ecosystems, which plays an important role in climate change by regulating atmospheric carbon dioxide. Sweden’s forest management has led to a decrease in old growth forests. This change in land use can affect SOC levels in these forests. LÄS MER

  4. 18. Exploring the impact of Formica exsecta ants on soil properties above the tree line in northern Sweden

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Filip Pekkari Juto; [2023]
    Nyckelord :Formica exsecta; ant mounds; soil properties; organic matter content; tundra;

    Sammanfattning : Ants are considered ecosystem engineers due to their effect on the soil properties and their ability to alter the flow of energy and nutrients. Many studies have focused on ants in boreal forests,but few have focused on the ant’s effect on the tundra. LÄS MER

  5. 19. LoRa Based Moisture Sensing System

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och system

    Författare :Rasha Badran; [2023]
    Nyckelord :LoRa; moisture sensor; capacitive sensor;

    Sammanfattning : Water is an important parameter for crop growth, and the information about the moisture content in soil at different depths is very useful for farmers to determine the best time to water the soil and to irrigate farmland so as to maximize their yield. This thesis project aims to develop a prototype of a multi-depth moisture sensor probe that is part of a large sensing system used in agriculture. LÄS MER

  7. 20. Den svarthuvade snigelns (Krynickillus melanocephalus) substratpreferens vid äggläggning

    Kandidat-uppsats, Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

    Författare :Geir Brodén; [2023]
    Nyckelord :Krynickillus melanocephalus finns ingen engelsk översättning ; Ecology; Slugs; Pest; Invasive species; Substrate preference; Oviposition; Egg laying; Fältsnigel; Ekologi; Äggläggning; Habitat; Substrat; Invasiv; Svarthuvad snigel;

    Sammanfattning : Krynickillus melanocephalus was first seen in Sweden 2015. It is now labeled as an invasive species and it potentially poses a threat to the ecosystem, but the slug has not yet shown to have great negative impact in gardens and agricultural fields. There is limited ecological knowledge about the species. LÄS MER