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2012

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Sammendrag

Holandsosen naturreservat ble befart i juni 2012 for å gjøre en vurdering av områder som har behov for og er egnet for lyngsviing. Svibare områder er avgrenset på kart og beskrevet i sviplanen. Planen presenterer også retningslinjer som forklarer viktige prinsipper for sviing av lynghei i Holandsosen.

Sammendrag

Sydowia polyspora was found to be seed borne on true fir (Abies spp.) where it is associated with two serious diseases; current season needle necrosis (CSNN) and Sclerophoma shoot dieback [1]. To our knowledge, S. polyspora was previously only reported to be seed borne on Scots pine (Pinus sylvestris) [3]. In 2009, we discovered S. polyspora on Norway spruce (Picea abies) seedlings from germination tests at the Norwegian Forest Seed Center. This indicated that S. polyspora also was seed borne on spruce. Based on this, we wanted to investigate how widespread S. polyspora was on conifer seeds. In 2010, we tested 44 seed lots from 8 genera. S. polyspora was isolates from seeds from the following genera; Abies, Larix, Picea, Pinus, Pseudotsuga, Thuja, and Tsuga. Interestingly, they are the exact same genera that Funk [2] reported S. polyspora from on diseased foliage and shoots. We found S. polyspora on Norway spruce harvested in 1970, thus, the fungus may survive for decades in seed lots. In Norway, Sclerophoma shoot dieback has been found on Norway spruce in Christmas tree fields. Fungal species from a number of other genera were also detected in the seed test, but here we only report S. polyspora.

Sammendrag

Sannsynligvis er over 400 eplesorter blitt dyrket her i landet siden epledyrkingen for alvor skjøt fart på slutten av 1700-tallet. I dag er ca 150 av dem bevart.

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Sammendrag

Husdyrgjødsel er godt egnet for anaerob gjæring i biogassanlegg, men gir relativt lite gassutbytte. Derfor er det aktuelt med energirike tilleggssubstrat. Marin sektor har ulike avfallstyper som kan være egnet, som såpe og bleikejord fra raffinering av marine oljer. Denne rapporten diskuterer hvordan disse substratene skal mates inn i biogassanlegget som er etablert på Tingvoll gard.

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Sammendrag

Farmers attempt to develop a different environment for rice under System of Rice Intensification (SRI) method by which the rice plants can exhibit their full potential. Major principles of SRI includes perfect land levelling, lower seed rate, transplanting young seedlings of 12 days old, single seedling / hill with wider spacing (25 x 25 cm), careful water management (applying a minimum of water during vegetative growth and at later stages maintaining only one inch water) and weed management using cono weeder thrice in the vegetative stage. Researchers and farmers’ experience in the Cauvery basin in Tamil Nadu from ClimaRice have shown that yields of rice could be increased considerably (18–27%) with reduced water consumption (22- 25%) and less expenditure, just by following SRI method of cultivation. Thus it is beneficial for small and marginal farmers under changing climatic conditions.