Browsing Institutt for plante og miljøvitenskap (IPM) by Author "Erstad, Karl-Jan"
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Norsk landbruksforskning : kvalitet av skjelsand på Vestlandet til jordbrukskalking
Sve, Dagfinn; Erstad, Karl-Jan; Lyngstad, Ingvar (Journal issue, 1990) -
Norwegian Journal of Agricultural Sciences : a laboratory soil incubation method to assess reactivity of liming materials for agriculture
Erstad, Karl-Jan (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. ...