ecoferm - the circular farm

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ECOFERM The circular farm Jan de Wilt 6 th December 2013 Conference MANURESOURCE, Bruges

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Page 1: Ecoferm - The circular farm

ECOFERMThe circular farmJan de Wilt

6th December 2013Conference MANURESOURCE, Bruges

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• Groundbreaking innovations in agriculture• Foundation with own board• Main Funder: Ministry of Economic Affairs• Budget € 3.5 million per year• Evaluation every 5 years

InnovationNetwork

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ECOFERM

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Algae tubes

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Alternatives: protein yield/ha

product protein content yield (t dm/ha) protein production (t/ha)soy bean 40% 2,5 1,0rape seed 25% 3 0,8sunflower 23% 3 0,7peas 22% 4,5 1,0beans 28% 4 1,1lupins 35% 2,5 0,9grass 12% 12,5 1,5lucerne 19% 13 2,5sugar beet leaves 12% 4,5 0,5micro-algae 50% 15 7,5duckweed 30% 25 7,5wheat 11% 10 1,1

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Kwantitatief• Basis mineralen:

• Per 1000 kalveren: 20 ton N• Per ha : 150 kg N (1 ton eiwit)• Dit vertegenwoordigt circa 130 ha

• Algenproductie:• Per ha : 15 ton, 50% eiwit, 1250 kg N/ha• Dus bijna 16 ha algen nodig.• Lysine: 6-8% (6% in sojaschroot)

• Kroos:• Per ha: 25 ton/ha, 30% eiwit, 1250 kg N/ha• Dus bijna 16 ha kroos nodig.• Lysine: 4%

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Berekening

• Netto resultaat € 69.000/jaar• Minder digestaat door mestscheiding plus algen/kroos• Minder voer aankopen (9 ton)• Meer electriciteit (30.000 kWh)• Meer water (3500 m3)

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Aandachtspunten rendement

• Temperatuurregeling kas boven schuur (ventilatie)• Oogstsysteem kroos• Kroos en algenmanagement: specialisme• Geleidelijke uitbreiding kroos en algenteelt• Aandacht gezondheid kalveren• Alternatieve afzet kroos en algen overwegen

(verbetering inkomsten)• Hoogwaardige producten• Via raffinage