FM environment & manure policy

19 important questions on FM environment & manure policy

Name 3 important rules in the manure policy

- nitrtate directive (nitraatrichtlijn)
- aim 50 mg nitrate ground water (50 gram nitraat in grondwater)
- Limited losses of Nitrogen and Phosphate to water ways

How much manureproduction is there in the netherlands?

70.000 million kg manure

How much P2O5 is there produced?

172 million kg
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How much P2O5 is the maximum and how much is surplus?

Max 149 million kg and a surplus of 23 million

What is the standard Nitrogen of animal origin per ha in eu?

170 kg nitrogen

What is the exception (uitzondering) in NL?

250 kg N/ha of grazing animals with at least 80% grass
230 kg N/ha of grazing animals with at least 80% grass on sandy soil & loes

Which policy does poultry farmers have to follow for manure production?

Poultry produciton rights

Which policy do dairy farmers have to follow?

Before 2015 milk quota
2018 onwards phosphate rights

Which policy do horse and goat farmers/owners have to follow?

They have limited amounts and no max

Where does the application standards of nitrogen depend on?

  • Soil type
  • crop, (variety )
  • Yields

Where do the application standards of phosphate depend on?

  • Land use (arable land or grassland)
  • soil phosphate level

What is the dutch name of derogation?

Ontheffing

How much kg/ha of animal manure may there be on land if there is derogation?

Sandy soil: 230 kg/ha
Rest 250kg/ha

What is the weende anaylyse?

System for approximating the value of a product for feeding purposes, without actually using it in a feeding trial

How could you make a sample dry for the weende analyse? (4steps)

1. Weight the wet feed
2. In over at 70 degrees for 24 hours
3. Leave sample in open air for a few hours
4. Weigh the air dry sample

Crude ash procedure 4steps

- weight out a small quantity
- burn in a furnace at red heat (600 degrees) for several hours
- weight ash, incl minerals in sample
-calculate percentage of ash/mineral matter

Procedure crude protein (2 steps)

  • Weight out a small quantity
  • sample in tube
    • Concentrated sulphuric add and put in on 200 degrees

Procedure crude fat (4steps)

  • Weight out a small quantity
  • extract sample with ether in a extractor
  • weight remains
  • increase is the amount of crude fat  

Procedure crude fibre

- weight a small sample (2gr)
- put in glass beaker
- add 50ml H2SO4
-place beaker on heating plates and connect cooling system
-boil 15min
after 15 min add 25 ml naOH
when boils again for another 10min
Add ones again 0,5 na2 and boil again for 5min

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