Blar i Institutt for plante og miljøvitenskap (IPM) på tittel
Viser treff 321-340 av 491
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Norsk landbruksforskning : økologiske konsekvenser av kjemisk ugrasbekjemping
(Journal issue, 1994)Bruken av herbicider har ført til en reduksjon i frekvensen av tofrøblada arter i åkerarealene, men svært få arter står i fare for å bli utryddet. De artene som er i faresonen, er arter som også tidligere var forholdsvis ... -
Norske grønsaknamn med korte definisjonar
(Others, 1969)Stensiltrykket er bygt opp med tanke på å gje eit oversyn over kva meiningar plante-, sortsgruppe- og bruksprodukt-namn innan grønsaker har både i faglitteraturen og munnleg tale. -
Norwegian Journal of Agricultural Sciences
(Others, 1988) -
Norwegian Journal of Agricultural Sciences
(Others, 1995) -
Norwegian Journal of Agricultural Sciences
(Others, 1993) -
Norwegian Journal of Agricultural Sciences
(Others, 1991) -
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 ...