Essays about: "Italian ryegrass"

Found 5 essays containing the words Italian ryegrass.

  1. 1. Effects of cover crops on nitrous oxide (N2O) emissions in cereal cropping

    University essay from SLU/Dept. of Ecology

    Author : Khadija Aziz; [2022]
    Keywords : cover crops; nitrous oxide; C sequestration; greenhouse gases; off-season emissions; freeze-thaw cycles;

    Abstract : More than 60% of anthropogenic nitrous oxide (N2O) emissions are attributed to agricultural activities. N2O production in soils highly depends on the N availability along with other factors such as soil moisture content, which provide suitable conditions for nitrification and denitrification. READ MORE

  3. 2. Klippträda istället för svartträda : icke-kemisk kvickrotsbekämpning i växande gröda

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Erik Bertholtz; [2016]
    Keywords : Elymus repens; kvickrot; mekanisk bearbetning; italienskt rajgräs; vitklöver; konkurrens; couch grass; mechanical treatment; Italian ryegrass; white clover; competition;

    Abstract : Kvickrot (Elytrigia repens (L.) Desv. ex Nevski) är ett flerårigt ogräs som är vanligt förekommande i svenska odlingsmarker. Innan kemisk totalbekämpning med glyfosat var kvickrot ett vanligt problem i lantbruket. READ MORE

  4. 3. Concentration and offtake of trace elements and macronutrients in Italian ryegrass (Lolium multiflorum Lam.) and spring barley (Hordeum vulgare L.) grown on soils amended with water treatment residual sludge

    University essay from SLU/Dept. of Soil and Environment

    Author : Wilfred Nwanjo Mbah; [2011]
    Keywords : WTR; sludge; barley; ryegrass; soil type; trace elements; yield;

    Abstract : Aluminium sulphate (Al2(SO4)3) is usually added during the drinking water treatment processin order to precipitate organic and inorganic material, resulting in aluminium-based drinkingwater treatment residual sludge (WTR). Since 2003 Swedish law no longer permits WTR tobe deposited in lakes, and there is an interest to explore the possibility to utilize WTR as soilamendment. READ MORE

  5. 4. Kväveeffekt av organiskt bundet kväve i rötrest från biogasanläggning

    University essay from SLU/Horticulture (until 121231)

    Author : Fredrik Bengtsson; [2007]
    Keywords : energiförsörjning; biogas; energikällor; kväveeffekt; rötrester; ekologisk växtodling; kväveskörd; gödselmedel;

    Abstract : Idag diskuteras mycket hur vi ska lösa energiförsörjningen eftersom det är ett hot mot vårt klimat. Diskussionen pågår världen över men om vi håller oss till Sverige så finnsdet ett behov av nya energikällor framförallt nu när nedläggning av våra kärnkraftverk är på gång. READ MORE

  6. 5. Comparison of the rumen passage rate of different forages using rare-earth markers

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Kristina Hansson; [2004]
    Keywords : forages; ryegrass; meadow fescue; tall fescue; tomothy; cooksfoot; white clover; markers; passage rate;

    Abstract : The passage rate of nine different forages (diploid perennial ryegrass, tetraploid perennial ryegrass, Italian ryegrass, hybrid ryegrass, meadow fescue, tall fescue, timothy, cocksfoot and white clover) was evaluated with help of two markers (Yb and Dy) in a small-scale study at IGER, Aberystwyth, UK. Five dry Holstein-Friesian cows were used in a 4-period incomplete changeover design experiment. READ MORE