Essays about: "vermiculite"

Showing result 1 - 5 of 6 essays containing the word vermiculite.

  1. 1. Ammonium and nitrate sorption by biochar

    University essay from SLU/Dept. of Soil and Environment

    Author : Yasser Alrhban; [2023]
    Keywords : biochar nitrogen; retention; dialysis; absorption; adsorption; ammonium; nitrate;

    Abstract : Biochar has recently drawn attention due to its ability to increase soil fertility, sequester carbon and its expected effect on reducing the leaching of elements from the soil, especially nitrogen. The possibility of using biochar as a soil amendment to reduce the amount of nitrogen leaching, and then reducing the quantities of nitrogen fertilizers used in agriculture to avoid the bad environmental effects has become a matter of great interest. READ MORE

  3. 2. Urea för kontroll av hästens små blodmaskar : effekter på kläckning och larvutveckling

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Karin Klensmeden; [2020]
    Keywords : blodmask; häst; parasiter; urea; strongylider; ägg; kläckning;

    Abstract : Små blodmaskar, cyathostominer, är en grupp av endoparasiter som förekommer hos så gott som alla hästar. Vanligtvis orsakar detta inte några symptom, men i vissa fall kan det leda till kolik, avmagring, och diarréer, ibland med dödlig utgång. Blodmaskar har en direkt livscykel, där äggen kommer ut på betet i träcken. READ MORE

  4. 3. Stormwater treatment – Sorption of organic biocides from paints and renders

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Maja Ekblad; [2014]
    Keywords : stormwater; organic biocides; sorption; PAC; vermiculite; Technology and Engineering;

    Abstract : In recent years, the fact that stormwater is not as clean as previously assumed have been addressed. A variety of chemicals have been pointed out as more problematic than others. This report will focus on organic biocides found in paints, renders and flat roofs in an urban milieu. READ MORE

  5. 4. Desiccation tolerance of yeheb (Cordeauxia edulis Hemsl.) seeds

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Josefine Liew; [2003]
    Keywords : Cordeauxia edulis; nut crops; seed moisture content; desiccation; viability; Somalia; Ethiopia; recalcitrant; orthodox; seed storage; yeheb;

    Abstract : In this master's thesis, the desiccation tolerance of seeds from yeheb, Cordeauxia edulis Hemsley, a multipurpose, evergreen shrub, native to the semi-desert areas in the horn of Africa, is studied. Due to overexploitation and bad regeneration, yeheb is now threatened with extinction. READ MORE

  6. 5. Cadmium uptake in willow (Salix viminalis L.) and spring wheat (Triticum aestivum L.) in relation to plant growth and Cd concentration in soil solution

    University essay from SLU/Dept. of Soil Sciences

    Author : Eva Nylund; [2003]
    Keywords : analysis; growth chamber; soil parameter;

    Abstract : The cadmium (Cd) content in agricultural soils has increased during the last decades. This toxic heavy metal is allocated to edible plant parts and moves upwards in the food chain, e.g. via cereals and vegetables. READ MORE