Essays about: "Earthworm"

Showing result 1 - 5 of 16 essays containing the word Earthworm.

1. 1. Effects of tillage and straw treatments on earthworm abundance : study in two Swedish long-term field trials

   University essay from SLU/Dept. of Soil and Environment

   Author : Fredrik Ahlberg; [2023]
   Keywords : anecic; conventional tillage; endogeic; no-tillage; reduced tillage;

   Abstract : Earthworms have several functions in the soil, for instance redistribution of organic matter and enhancing plant available nutrients. Earthworms are divided into three ecological groups, with different functions in the soil. The groups are: anecic, endogeic and epigeic. READ MORE

3. 2. Effekt av olika odlingssystem på markstruktur och avkastning : pargårdsstudie i Skåne

   University essay from SLU/Dept. of Soil and Environment

   Author : Clara Kihlstrand; Linnéa Frisk; [2023]
   Keywords : Markhälsa; reducerad jordbearbetning; ; Conservation Agriculture; plöjning; mellangröda; höstvete; aggregatstabilitet; daggmaskar; pH; dragkraft; infiltration; vattenhalt;

   Abstract : Metoderna att odla jordbruksmark är många. Dessa odlingssystem påverkar markstrukturen och markhälsan på olika vis. Markhälsa är ett begrepp som blir allt viktigare. Under 2023 kommer EU med nya markdirektiv som ska säkra långsiktig odling och hjälpa till att nå klimatmålen. READ MORE

4. 3. Distribution and transport of microplastics and metals in sewage sludge-amended agricultural soil : a Comparative study between microplastics copper, cadmium, and nickel

   University essay from SLU/Dept. of Soil and Environment

   Author : Nora Ottander; [2022]
   Keywords : Bioturbation; advective transport; earthworm; Aporrectodea longa;

   Abstract : This thesis investigated the vertical transport of microplastics and metals in agricultural soil after sewage sludge application. Sewage sludge is commonly used in agriculture for adding nutrients and carbon to improve the soil quality. READ MORE

5. 4. Leachate-Based Biotic Ligand Model for Soil : Ecotoxicological Risk Assessment of Copper for Invertebrates, Plants, and Soil Microbial Processes

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Tove Florén; [2021]
   Keywords : Tomato shoot; Barley root; Glucose induced respiration; Nitrification; Earthworm; Springtail; EC10; SSD; Regression analysis; pH dependency; Bioavailability;

   Abstract : Environmental pollution of heavy metals has become an increasing problem. Environmental risk assessments can be conducted to investigate and determine the potential risk of polluted terrestrial environments. Traditionally, risk assessments are based on total soil metal concentrations on a dry weight basis. READ MORE

6. 5. Relating the impacts of regenerative farming practices to soil health and carbon sequestration on Gotland, Sweden

   University essay from SLU/Dept. of Soil and Environment

   Author : Laerke Daverkosen; Alena Holzknecht; [2021]
   Keywords : regenerative agriculture; soil health; carbon sequestration; Gotland Sweden ;

   Abstract : Land degradation, greenhouse gas emissions and biodiversity loss through agriculture are some of the greatest challenges we are facing today. Fertile and productive soils are the basis of life on this planet and need to be protected and restored to support a growing population and lower negative impacts of climate change. READ MORE