Essays about: "Sanna Bergqvist"

Found 3 essays containing the words Sanna Bergqvist.

  1. 1. Long-term effects of cropping system on red clover proportion and crude protein concentration in mixed leys

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Sanna Bergqvist; [2021]
    Keywords : red clover; Trifolium pratense L; persistence; ley age; Sweden; crop rotation; harvest;

    Abstract : Red clover is an important crop in Sweden, being the most cultivated forage legume in the country. It has a high crude protein concentration and fast establishment, which makes it a welcome addition to a ley mixture. However, red clover is not persistent and generally little remains in the third harvest year. READ MORE

  3. 2. Bee wax moth in Embu county, Kenya, the intruder in the hives : a study of Galleria mellonella and Achroia grisella

    University essay from SLU/Dept. of Ecology

    Author : Sanna Bergqvist; [2019]
    Keywords : bee wax moth; African bees; prevention; control;

    Abstract : The bee wax moth is a problematic pest that has been a problem to Kenyan bee farmers for some time now. This study has tried to answer if the observed factors affected the infestation rate of the pest. READ MORE

  4. 3. Inverkan av träds sociala status på grundytetillväxt efter gallring hos tall

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Erik Bergqvist; Sanna Nilsson; [2014]
    Keywords : härskningsgrad; Pinus sylvestris; gallringseffekt; trädklass; tillväxtökning;

    Abstract : Träds sociala status inverkan på grundytetillväxtökningen undersöktes genom jämförelse av grundytetillväxten efter gallring med motsvarande stammars grundytetillväxt i en ogallrad kontrollyta. Datat kommer från fyra olika provytelokaler ur de svenska gödslings-/gallringsförsöken, där behandlingarna bestod av ett gallringsprogram med en kraftig gallring, ett med tre klenare gallringar samt en ogallrad kontrollyta. READ MORE