Essays about: "arable weed"

Showing result 1 - 5 of 8 essays containing the words arable weed.

  1. 1. Arable Plant Diversity on Gotland, Sweden

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Rebecca Örnberg; [2023]
    Keywords : Arable plant; arable plants; arable diversity; arable; weed diversity; arable weed diversity; arable weed; arable weeds; plant diversity; diversity; drivers of diversity; field size; effects; crop type; standing crop; soil texture; organic farming; diversity; conventional farming; management; herbicides; rare plants; organic; biodiversity; field diversity; field margins; weed survey;

    Abstract : Arable plant species diversity has been on a decline, with many species dependent on arable land becoming threatened. At the same time, attempts at defining the drivers of arable plant diversity have proven difficult and results are often contradictory. READ MORE

  3. 2. Flower preferences among weed-visiting insects in field edges

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Isolde Galin; [2021]
    Keywords : arable field; flower preference; pollinator; weeds;

    Abstract : The increased improvement of weed control throughout the years has led to a decrease in the amount of weed in arable fields. Weeds can be a source of pollen and nectar. Pollinating insects are dependent on a variety of plants for nectar and pollen. READ MORE

  4. 3. Ogräspredation av jordlöpare och gnagare i europeiska åkermarker

    University essay from SLU/Dept. of Ecology

    Author : Eira Eksvärd; [2020]
    Keywords : jordlöpare; gnagare; ogräspredation; integrerat växtskydd; ogräsbekämpning;

    Abstract : Ogräs orsakar idag stora skördeförluster och ogräs har utvecklat resistens mot 23 av 26 kända verkningsplatser för herbicider. Ogräspredatorer så som jordlöpare och gnagare bidrar med en viktig ekosystemtjänst genom att konsumera ogräsfrön efter att de släppts från växten, och de kan därmed reducera fröbanken och reglera ogräspopulationerna. READ MORE

  5. 4. Jämförande av lönsamhet mellan ekologisk och konventionell växtodling i Skåne

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Karl Gustafsson; Fredrik Jansson; [2018]
    Keywords : Ekologisk växtodling; reducerad jordbearbetning; ekonomisk kalkyl; kalkyl etableringsmetod;

    Abstract : Efterfrågan på ekologiska råvaror och produkter ökar årligen och det inhemska behovet överstiger utbudet. Arbetet visar på en fortsatt ökning av efterfrågan på ekologiska livsmedel i Sverige. READ MORE

  6. 5. Effects of cover crops and limiting resources on biomass allocation in Elymus repens (L.) Gould

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Ines Prieto; [2017]
    Keywords : elymus repens L. gould; couch grass; cover crops; competition; light; nutrients; weeds in organic farming; perennial weed;

    Abstract : Weed control has always been a major challenge in arable lands. Elymus repens (couch grass), a rhizomatous perennial grass, is a particularly problematic weed in both annual and perennial crops in temperate climates. E. repens is dominant particularly in farming systems with no or limited use of herbicides. READ MORE