Non inversion

Non inversion

Runoff
1. Crop residues prevent
  1. Increase surface stability
2. GOOD
  1. Silty clay loam
    1. reduces run off by 48%
    2. reduces sediment loss by 68%
    3. Holland 2004
46% of arable has conversation tillage
1. Jones et al 2006
  1. 5 years old!!
Soil Erosion
1. GOOD
  1. reduces soil erosion
    1. Morris 2010
      1. KEY REF!
Disease Risk
1. GOOD
  1. Take-all
    1. reduces % infection
      1. SAC
  2. Eyespot
    1. on trash
      1. affects in spring
        does not survive on surface over winter
2. BAD
  1. Fusarium
    1. soil fungus attacks stem base
  2. Ergot
    1. fungus remains on surface
  3. Foliar
    1. survive on volunteers remaining
  4. Phoma (OSR)
    1. Survives on trash
      1. increases level of inoculum
Pests
1. Slugs
  1. BAD
    1. A poor ploughed seedbed can be just as bad
2. BYDV aphids
  1. GOOD
    1. cannot differentiate between soil and crop in autumn hence reduces summer infection
      1. A straw cover can also lower infection
      2. Kennedy et al 2010
Weeds
1. Grass weeds
  1. BAD
2. Broad leaf weeds
  1. GOOD
3. Froud-Williams et al 1983
Biodiversity
1. GOOD
  1. Increases OM
    1. Increases invertebrates
      1. Beneficial effect on farmland birds

Resumo de Recurso

	Criado por labradorlass mais de 11 anos atrás