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Norwegian Journal of Agricultural Sciences : alkali-treated straw as feed for ruminants: digestibility of treated straw in sheep and voluntary intake and growth of heifers fed on treated straw
(Journal issue, 1991)The objective of this study was to investigate how the nutritive value of cereal straw as feed for ruminants could be improved. Barley straw was treated with anhydrous ammonia and NaOH solution (dip treatment). The ... -
Norwegian Journal of Agricultural Sciences : ammonia exchange between crops and air
(Journal issue, 1994)The chemical, biochemical and physiological factors that govern the exchange of NH3 between plants and air are reviewed together with methods for measuring the gas exchange. The NH4• concentration and pH in plant cells ... -
Norwegian Journal of Agricultural Sciences : assessment of available zinc for rice in soils of the Tabora region, Tanzania
(Journal issue, 1994)Four Zn extractants, EDTA-(NH)CO,, DTPA, HCI and EDTA, were screened for suitability in assessing the available Zn status of rice-growing areas of the Tabora region in Tanzania. Rice response to Zn application was evaluated ... -
Norwegian Journal of Agricultural Sciences : barley-fodder rape silage
(Journal issue, 1990)Barley-fodder rape silage harvested at the yellow ripeness stage of barley, grass silage and a combination of both silages were compared for intake and production response in three experiments. A total of 66 dairy cows in ... -
Norwegian Journal of Agricultural Sciences : Birch dieback - caused by prolonged early spring thaws and subsequent frost
(Journal issue, 1995)The dieback of yellow birch (Beula alleghaniensis Britton) and white birch (B. papyrifera Marsh) has from the middle thirties been a mystery in Eastern Canada and Northeast US. The extent was enormous, covering an area of ... -
Norwegian Journal of Agricultural Sciences : cadmium and lead levels in Norwegian vegetables
(Journal issue, 1990)The purpose of this study was to present the levels of concentration of cadmium and lead in vegetables grown in Norway. The mean concentrations were found to be within the same levels as those for vegetables from some other ... -
Norwegian Journal of Agricultural Sciences : comparison of different systems for classification of seven podzolized, sandy soils in southern Norway
(Journal issue, 1995)The 1975 and 1992 versions of Soil Taxonomy, the 1988 version of the FAO-Unesco system, and the 1987 version of the Canadian System of Soil Classification were used to classify seven sandy soils with different degrees of ... -
Norwegian Journal of Agricultural Sciences : disease resistance in agricultural crops
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Norwegian Journal of Agricultural Sciences : effect of lighting of Calceolaria x herbeohybrida Voss in the flowering phase on leaf injury
(Journal issue, 1991)Chillled plants of different cultivars were grown in peat media with different fertilizer levels, and exposed to different kinds of illumination, lighting periods and temperature regime in the flowering period. Use of a ... -
Norwegian Journal of Agricultural Sciences : effects of slurry application on the microstructure of the surface layers of soils from northern Norway
(Journal issue, 1995)Thin sections, prepared from undisturbed soil samples, were used to investigate the influence of surface application of fresh and aerated cattle slurry on the microstructure and composition of the topsoil. Virgin and ... -
Norwegian Journal of Agricultural Sciences : estimation of physical properties of cultivated soils in southeast Norway from readily available soil information
(Journal issue, 1996)The purpose of this paper is to present and summarize a considerable amount of information on the physical properties of a wide range of cultivated topsoils and undisturbed subsoils from same important agricultural regions ... -
Norwegian Journal of Agricultural Sciences : fillet gaping in farmed Atlantic salmon (Salmo Salar)
(Journal issue, 1994)An evaluation of fillet gaping was carried out at three factories processing farmed Atlantic salmon. In two of the factories 22-25 % of the fillets were found to have moderate to severe gaping and it appeared that prolonged ... -
Norwegian Journal of Agricultural Sciences : forest decline in Norway: monitoring results, international links and hypotheses
(Journal issue, 1990)It is widely accepted that forest decline is a multiple syndrome and that there is less synchrony in its incidence than was previously thought. T'here are also some doubts as to the «novelty- of some kinds of damage, e.g. ... -
Norwegian Journal of Agricultural Sciences : fresh fruit quality evaluation of red raspberry
(Journal issue, 1988)The fruits of the cultivars 'Chilcotin', 'Glen Moy', 'Malling Orion', 'Veten' and the selection 410-08 were harvested four times during the 1986 season in order to study quality properties important to the fresh fruit ... -
Norwegian Journal of Agricultural Sciences : growth chambers with control of light quality
(Journal issue, 1987)As a means of studying the effect of light quality on plant growth and development, growth chambers were made of double acrylic sheets which allowed the passage of coloured solutions. Four differently coloured solutions ...