Blar i Institutt for plante og miljøvitenskap (IPM) på tittel
Viser treff 327-346 av 491
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Norwegian Journal of Agricultural Sciences
(Others, 1994) -
Norwegian Journal of Agricultural Sciences
(Others, 1987) -
Norwegian Journal of Agricultural Sciences : a laboratory soil incubation method to assess reactivity of liming materials for agriculture
(Journal issue, 1992)In order to establish a method for assessing reactrvity of liming materials for agriculture, a soil incubation method is introduced, in which a loamy soil which should be raised from pH 5.5 to 6.0 is adopted as a standard. ... -
Norwegian Journal of Agricultural Sciences : above- and below-groundbiomassof boreal outlying hay-lands at the Solendet nature reserve, Central Norway
(Journal issue, 1996)Studies of the above- and below-ground biomass of the field-layer species were carried out in permanent plots in two communities of rich fen and two communities of wooded grassland at the Slendet nature reserve in the years ... -
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 : 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
(Journal issue, 1992) -
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 : 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 ... -
Norwegian Journal of Agricultural Sciences : insect parasitoids: biology and ecology
(Journal issue, 1994) -
Norwegian Journal of Agricultural Sciences : integrated control of pome fruit diseases
(Journal issue, 1994)