48 uppsatser · sida 2 av 4
En studie med fokus på kommunikationsmönster, frågornas roll och uppföljning av elevuttalanden i klassrumskommunikationen
… bachelor's thesis is to examine how public libraries in Sweden handles their weeding procedures. A series of questions are asked: How does libraries in Sweden motivate weeding? What principles constitutes the procedure of weeding? Which aspects are given most importance when …
en kvantitativ undersökning om gallringsprinciper på svenska folkbibliotek
… bachelor's thesis is to examine how public libraries in Sweden handles their weeding procedures. A series of questions are asked: How does libraries in Sweden motivate weeding? What principles constitutes the procedure of weeding? Which aspects are given most importance when …
cultivation techniques and competition aspects for Swedish onion and apple producer
… for use in Swedish apple orchards after harvest. When it comes to onion and weed problems, which has become a huge problem without properly functioning pesticides, the greatest difficulty lies in combating weeds with other techniques. The onion has a very poor competitive …
en litteratursammanställning om såtid, radavstånd och utsädesmängd
… cultivation wider row spacing is an opportunity for developed mechanical weed control, where a lower weed amount can increase the yield. Seed rate should be adapted to the growing location, sowing conditions and date of sowing. Seed rate can be varied relatively much without …
biologi och icke-kemisk bekämpning
… has been the object of several new trials, seeking methods for non-chemical weed control. The new trials have mainly confirmed earlier experiences; that the most successful methods of control are springtime ploughing, repeated cutting and competition from a stout crop. Row …
Couch grass (Elymus repens (L.) Gould) is a severe weed in Sweden, and since both the use of herbicides and cultivation should be decreased, it will become increasingly problematic to control couch. The present work is meant to, by literature studies and an experiment, give some …
… The judgment of the results was based on three parameters: the amount of weed before and after tillage, the quality of seedbed, and yield of succeeding crop. Except the comparison of the two treatments, the five small plots in the pig tilled area was judged by above mentioned …
en konventionellt och en ekologiskt odlad
Den biologiska mångfalden är viktig inom lantbruket. Jordbrukslandskapets mångfald är vacker för människan att se på och spännande och rogivande att vistas i. Mångfalden innehåller även en genbank som kan bli mycket etydelsefull i framtiden. Dessutom innebär oftast en rik …
… between plant establishment and the choice of equipment, but also a higher weed pressure in experimental plots with only ground tillage. The equipments which left much straw on the top of the ground the problems with fungi were more severe. The big difference of the plant …
… not certified according to the standards set by KRAV. To achieve a sufficient weed control program a good rotation of crops are essential. The farm also needs a high level of own produced crop. The requirement for connecting to KRAV is today (2004) that the farm has been run by …
… big differences in establishment costs and some differences in occurrence of weed. Our results show: ” The lowest soil preparation had Direct Drilling, 285 SEK/ha + the cost of sow drilling added. ” The highest soil preparation had Överum conventional, 1310 SEK/ha + the cost of …
en biologisk bekämpningsmetod mot ogräs
… There is also a final discussion of some proposals regarding alternative weed controlling methods. The work was performed using studies of literature, growing trials and consultation with people at different University Departments and companies dealing with plants. The field …
en fältstudie i Hedemora
… fertilized with 850kg NPK(6.5, 7.1 and 16.2% respectively). Before the last weed treatment, potassium was site-specifically fertilized over the field. However, in the experimental areas K was applied at three fertilization doses (0, 30 and 60kg K ha-1) in a randomized block …
en litteraturstudie av arternas biologi samt förebyggande och direkta kontrollåtgärder
… a database on their homepage that includes chemical treatments for different weed species. There is also space for preventive and mechanical control methods. This is an undergraduate thesis that reviews these control methods for the most important weeds in Sweden. The species …
… Master of Science in Forestry suggests spraying with chemicals to control the weed. He’s the only one. He also uses a standard model for establish and manage the area. His method is cheep, it gives a quick feeling of grown up forest, but it has very few early esthetical values …
