Les FM renewal & herbs

27 important questions on Les FM renewal & herbs

What is the grassland establishment frequency in %?

Between 5% and 10%

Where does the grassland establishment frequecy depends on?

Damages on the field and the grown weed due 4 factors

What are the 4 factors which could influence the grassland establishment %?

  1. Weather
  2. heavy cuts
  3. grazing systems
  4. maintenance  
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Which features of weather can influence the grassland establishment?

  • Wet periods, poor drainage (Winter)
  • drought in summer
  • forst,snow 

How could the grazing system influence the grassland establishment?

Due continuous grazing without rest periods especially during winter periods

How could maintenance influence the grassland establishment? (positive influences)

    • Due fertilization (spreading of manure, artificial fertilization)
  • drainage and irrigation
  • weed control;pest control

When do you have to reseed your grass?

  • In the spring (March, April)
  • Late summer/autumn (August, september, oktober)

Which three types of seed mixtures are often used?

  • Grass seed mixture
  • grass clover mixture
  • grass herbs mixture 

Which six possibilities are there to improve your grassland?

  • Destruction (Vernietiging) of old pasture, using herbicides
  • Ploughing
  • liming and fertilization
  • seed bed preperation
  • seeding
  • weed control    

Why/wherefor is herbaceous (onkruid grasland) functional in agriculture?

  • Soil and rooting
  • production
  • nitrogen binding by legumes
  • minerals
  • cow health
  • (higher milk price)    

What does ANM (Agricultural nature management) want if they buy products which are from herbaceous grasslands?

Demanded (rest period and fertilising)
indicator species, 4 present

What does A-ware (dairy processor) want if they buy products which are from herbaceous grasslands?

Minimum 5 herbs present

What does friesland campina want if they buy products which are from herbaceous grasslands?

  1. 40% continous grassland and a part herbaceous
  2. grassland must have a delayed (uitgesteld) moment of mowing 

What do meadow birds need?

Insects and worms and they need to be able to walk through the crop (gewas)

Why is grass and herbs togheter better?

Better usage of soil and stronger roots (wortels)

How could a grassland/herbaceous grassland keep Nitrogen

By clover

How could there be get 2 ton dm/ha more without fertilizer?

By successful crop of grass with red and white clover at fully mowing

In which way does herbaceous grass influence milk (positive)

It gives often a more complex taste of milk

What are the 3 aims for herbaceous grasslands?

  • Biodivers/functional
  • mowing/grazing
  • intensity  

Where does herbaceous grasslands focus on (three points)?

  • Starting point
  • sowing (Zaaien)
  • managing) 

Which herbs does a productive grassland have?

  • Red and white clover
  • chichory, ribwort, caraway

On which level can special herbs not compete with grass?

High level of yield (6-8 ton dm)

When do you have to seed herbaceous grasslands?

End april or august/begin september

How deep do you have to seed herbaceous grasslands?

Undeep (1-2cm)

What happends if there a many weeds at the start?

  1. Most will disappear after mowing
  2. only on the sport spraying if it does not disappear

How do you keep the mixture in balance after a good start of seeding?

Very light and heavy cuts must be avoided

How to keep root reserves?

<4 days grazing per time, 4 weeks rest

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