Essays about: "biological factor and affecting"

Found 2 essays containing the words biological factor and affecting.

  1. 1. Experimental Design and Optimization of Hydrolysis of Paper for Biogas Production

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Johan Yngvesson; [2011]
    Keywords : ;

    Abstract : The waste production in Sweden and Europe is increasing each year. Swedish households throw away 2.7 million tonnes material annually and because of though waste legislations, most of this is recycled as material or energy. READ MORE

  3. 2. Field margins vs. insecticides : factors affecting the density of predators attacking Plutella xylostella

    University essay from SLU/Dept. of Ecology

    Author : Lina Grönberg; [2007]
    Keywords : predators; Plutella xylostella; diamondback moth; field margins; biological control; Nicaragua;

    Abstract : Biological control provides a tool to reach goals such as maintaining sustainable agroecosystems and decreasing the use of pesticides. Studies show that generalist predators can reduce prey populations effectively and, thus, may function as good biocontrol agents. READ MORE