Essays about: "Peak Phosphorus"

Showing result 1 - 5 of 6 essays containing the words Peak Phosphorus.

  1. 1. Markers in rumen gases for protein degradation in dairy cows

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Emelie Carlsson; [2017]
    Keywords : dairy cows; rumen gas; hydrogen sulfide; markers;

    Abstract : Tillförsel av kväve och fosfor i överskott till naturen leder till övergödning. En stor del av överskottet härstammar från lantbruket vilket leder till att kraven på lantbrukaren blir större. Att överutfodra korna är något man vill undvika då foderkostnaden är en av de större på gården. READ MORE

  3. 2. The Political Ecology of Pee and Poo

    University essay from Lunds universitet/Humanekologi

    Author : Edel Bergitte Lowzow; [2017]
    Keywords : Metabolic rift; peak phosphorus; human excreta; sustainable sanitation; critical discourse analysis; Norway; Social Sciences;

    Abstract : This thesis investigates how the metabolic rift and peak phosphorus are represented in Norwegian media and policy documents. The investigation is done with the use of critical discourse analysis. The material investigated consists of 28 texts from Norwegian newspapers and two documents from the Norwegian Environment Agency. READ MORE

  4. 3. Modeling of Peak Phosphorus : A Study of Bottlenecks and Implications for Future Production

    University essay from Globala energisystem

    Author : Petter Walan; [2013]
    Keywords : Phosphate rock; Peak Phosphorus; Reserves; Production; Curve fitting;

    Abstract : Today's modern agriculture is totally dependent on phosphorus to sustain their large yields. Several studies have recently expressed a concern for a future phosphorus deficiency. These studies are based on data for estimated reserves which have been increased with more than a fourfold since 2010. READ MORE

  5. 4. Utvärdering av öppna dikens status och funktion : en förstudie i Västmanlands län

    University essay from SLU/Dept. of Soil and Environment

    Author : Pontus Bornold; [2013]
    Keywords : markavvattning; markavvattningsföretag; dikesutvärdering; vattendragsmorfologi; dikesunderhåll; klimatanpassning;

    Abstract : Evaluations of open Ditch status and function, with an assessment of suitability of a conversion to a two stage ditch as a low maintenance alternative. To illustrate Swedish drainage problems this work focused on two agricultural drainage associations assessed in detail with a new method called MADRAS (Minnesota Agricultural Ditch Reach Assessment for Stability). READ MORE

  6. 5. Removal and Recycling of Phosphorus from Wastewater Using Reactive Filter Material Polonite®

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Anna Österberg; [2012]
    Keywords : Phosphorus; Polonite®; adsorption; filter; removal; recycling; recovery; wastewater treatment;

    Abstract : Literature reviews and laboratory work were used to examine the phosphorus removal efficiency of the reactive filter material Polonite®. This material is produced from the calcium carbonate and silica based rock Opoka. READ MORE