Browsing Dept. of Plant and Environmental Sciences (IPM) (closed for submissions from January 2014) by Subject "phosphorus"
Now showing items 1-2 of 2
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Combined Waste Resources as NPK Fertiliser: Results from a Pot Experiment
(Master thesis, 2012-04-20)Returning waste to agricultural land is a holistic systems approach to meet the challenging task of future food supply. As nutrient contents in organic material often are unbalanced in comparison to the plants’ needs, the ... -
Gjødslingsplanlegging. Vurdering av modeller, gjødselbruk og praktiske tilpasninger
(Master thesis, 2010-11-12)Fosfor (P) er nødvendig næringsstoff for alle planter. Den finnes i naturen i sedimenter, det utvinnes derifra og tilsettes i handelsgjødsel. P er en begrensende resurs og det finnes forskjellige prognoser om hvor lenge ...