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Report
Innovations in natural fertilizers in agriculture
Jaap Uenk, chairman
Section manure distribution CUMELA
CUMELA NEDERLAND
• Interest Group of 2.000 companies
• Companies are farm contractors, companies for
land development (infrastructure) and distribution
of manure
• Located for 90% in the rural area, 30.000 employees
• Average annual turnover € 1,3 miljoen / company
Key figures Netherlands
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16,6 million inhabitants
1,85 million ha agricultural area
975.000 ha grass-land; 240.000 ha silage maize
642.000 ha arable land
Of which 194.000 ha cereals
With average yield of 8.900 kg wheat per ha
Key figures live stock production
• 2,4 million cattle, 12,2 million pigs, 85 million poultry
• Production 73 million ton manure; 20 million surplus
• Destinations for the manure surplus:
 15,6 million ton transported to other farms as fertilizer
 2,0 million ton to treatment facilities of manure
 2,4 million ton for export (Germany, France)
Innovations in manure distribution
• Specialized companies with trailers and tank-cars for long
distance transport of manure to cropfarmers
• Storage facilities at the farms of crop farmers
• Manure spreading equipment with injection of manure
• Tracking and tracing the transports of manure,
• Sampling and analysing the manure per transport
Long distance transport of liquid manure
Unloading liquid manure into a container
Injection of liquid manure
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No smell
No emissions of ammonia
No losses of minerals (N)
Precisely farming (fertilizing)
Maximum profit of the minerals in manure
Saving costs for chemical fertilizers
Manure injection in arable land
Loading of manure out of the container
Specialized equipment
Protection the structure of the soil
Spreading out of solid manure
Development use of chemical fertilizers NL
N
P₂O₅
K₂O
Total
1984/1985
505
86
117
708
2000/2001
300
55
68
423
2009/2010
239
24
35
298
- 53%
- 72%
- 70%
- 58%
Period, million kg
Reduction 25 years
Mineral value of 24 t pig manure per ha (170 kg N)
Minerals
Nitrogen (N)
Phosphate
(P₂O₅)
Potassium (K₂O)
Magnesia
(MgO)
Total
Total in € / ha
kg/ha WC % HUF/kg
168
96
75
100
235
324
Total HUF /
ha
29.610
31.104
168
43
100
100
169
297
28.392
12.771
101.877
342
Advantages natural fertilizers
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Organic matter for better soil structure
More biological soil activity
Better quality crops and higher yields
Reduce of chemical fertilizers and costs
For Dutch crop farmers also the price: “for free”
New natural fertilizers for export
Dry matter
Organic matter
Nitrogen (N)
Phosphate (P₂O₅)
Potassium (K₂O)
Magnesia (MgO)
Dimension
Manure
pellets
Struvite
(vegetable)
%
%
Kg/ton
Kg/ton
Kg/ton
Kg/ton
90
65
40
30
27
11
45
0
22
126
0
75
Possibilities for cooperation
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New natural fertilizers are avaiable for Hungarian market
Hungary is big country of crop farmers (cereals)
Netherlands is big market for cereals for feed production
Shortage of imported non-genetical manipulated cereals in
the EU
• Business of substainable recycling of fertilizers and raw
material feed
Thanks for your attention
Jaap Uenk, CUMELA Nederland
Owner/director DOFCO BV, www.dofco.nl

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