Essays about: "chemical bank"

Showing result 1 - 5 of 8 essays containing the words chemical bank.

  1. 1. Carabids as weed seed control agent : impact of soil cultivation on carabid weed seed regulation

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Ellen Dahlgren; [2023]
    Keywords : weed seed predation; weed seed bank regulation; weed seed predation strength; seed predation strength; carabid beetles; tillage; piecewise structural equation model;

    Abstract : As weed seed predators, carabid beetles can regulate the weed seed bank within agricultural fields. Little is anyhow known about how weed seed bank regulation by carabids is affected by different tillage treatments with decreasing intensity, why this was here examined. READ MORE

  3. 2. Methods for measuring mercury in gas ebullition from fiber banks : A literature study

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Diana Jonsson; [2021]
    Keywords : Fiber bank; fiber rich-sediment; mercury; contaminants; gas ebullition; pulp-fiber; wood industry; paper industry; environmental toxicity; wood waste;

    Abstract : Mercury contamination is an environmental issue with high priority due to its high toxicity. In addition to the atmospheric deposition, several lakes and rivers in Sweden are contaminated as a result from wood and pulp-fiber industries which stretches back 200 years. READ MORE

  4. 3. Ogräskontroll : i odlingssystem utan glyfosat och med liten användning av herbicider och jordbearbetning

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Albin Hidén; [2020]
    Keywords : alleopati; conservation agriculture; glyfosat; glyfosatförbud; herbicid; herbicidresistens; jordbearbetning; mellangrödor; ogräs; ogräskonkurrens; ogräskontroll; reducerad jordbearbetning; växtföljd;

    Abstract : Ogräs har oftast större betydelse för en grödas avkastning än både skadeinsekter och växtsjukdomar. Ogräskontroll sker i huvudsak med användning av herbicider och jordbearbetning. En överanvändning av selektiva herbicider under lång tid har lett till att ogräspopulationer har utvecklat resistens mot dessa. READ MORE

  5. 4. Solutions from Below : A strategic approach for the sustainable management of organised community seed banks

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Laurent Serrure; Lucia Beltrame and Zachary Rootes; [2013]
    Keywords : seed banks; agriculture; biodiversity; crop diversity; food sovereignty; strategic sustainable development.;

    Abstract : Organised community seed banks (OCBSs) are one of the main tools to preserve crop diversity at a local level and therefore constitute an important driver for local resilience, as well as an important tool to move society towards sustainability. Agriculture is a fundamental leverage point for society: it fulfils a basic survival need as well as being one of the causes of humans’ unsustainable impact on the environment. READ MORE

  6. 5. Pollution in River Ganga-Problems and Prospects in Varanasi, India.

    University essay from KTH/Mark- och vattenteknik

    Author : Karteek Kommana; [2012]
    Keywords : Ganga River; World Wildlife Fund WWF ; Ganga Action Plan GAP ; Varamasi; Sankat Mochan Foundation SMF ; Pollution;

    Abstract : Major rivers in developing countries around the world are heavily loaded with pollutants. According to the UN Water Statistics around 2 million tons of waste is dumped into rivers daily. In the developing countries 70 % of the industrial waste is diverted into the water courses without treating daily. READ MORE