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468 Search Results for soil

  • Tools and Resources

    Emission levels

    Typical levels of several key emissions, factors that can influence them, and comparison with other common emitters, particularly road transport
  • Tools and Resources

    District heating

    Heating several buildings or apartments simultaneously, usually with an individual heat station in each one with a heat meter for accurate billing
  • Tools and Resources

    Phytophthora kernoviae

    Overview of invasive plant pathogen Phytophthora kernoviae. Distribution, symptoms, diagnosis and management.
  • Tools and Resources

    Typical calorific values of fuels

    Net calorific value (CV) or Lower Heating Value (LHV) given for all fuels. This means that the latent heat of vaporization of the water vapour created by combustion is not recovered by condensation
  • Tools and Resources

    Pine-tree lappet moth (Dendrolimus pini)

    Present in United Kingdom Notifiable – see ‘Report a sighting’ below Scientific name – Dendrolimus pini (D. pini) The larvae, or caterpillars, of pine-tree lappet moth are a serious pest of Scots pine (Pinus sylvestris) forests in some parts of continental Europe, periodically causing large-scale damage to them. They can also attack other coniferous tree species – see […]
  • Tools and Resources

    Carbon emissions of different fuels

    Approximate lifecycle carbon emissions of a number of different fuels for heating, transport and power
  • Tools and Resources

    Chalara manual – 2. Managing ash trees and woodland, including logs and firewood

    1. Principles The principles underlying the guidance presented below are: maintaining, where possible, the values and benefits associated with ash woodlands and iconic trees; securing an economic return where timber production is an important objective; maintaining as much genetic diversity in ash trees as possible with the aim of ensuring the presence of ash in the long term; and minimising impacts […]
  • Tools and Resources

    Ramorum disease (Phytophthora ramorum)

    Information, management advice and guidance on ramorum disease of forest trees and plants, and its causal agent, Phytophthora ramorum. Also known as sudden oak death, sudden larch death and larch tree disease
  • Tools and Resources

    Potential yields of biofuels per ha p.a.

    Extremely approximate guideline figures of potential yields of different forms of biofuel per hectare per annum for the UK
  • Tools and Resources

    Woodfuel economics

    Information on the opportunity of using woodfuel produced from trees growing in the urban environment to provide a sustainable energy source
  • Tools and Resources

    Other potential emissions

    Additional emissions can also potentially arise from the combustion of contaminated, treated or inappropriate fuels
  • Tools and Resources

    Seed pretreatment – seed dormancy characteristics

    Deep, shallow and hard dormancy characteristics