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Praktijknetwerk
Klei voor de Veenkoloniën
Harbert ten Have – akkerbouwer
Harm de Vries – projectcoördinator
Gino Smeulders – biogeoloog
We hebben 3 banen van 295 passen lang geoogst.
Eerste baan: tarwe op grond zonder klei, met sproeisporen:
740 kg
Tweede baan: tarwe met twee kleuren: 840 kg
Derde baan: tarwe op grond met klei: 960 kg
Tarwe zonder
klei
Tarwe met klei
% ds 14.3 14.1
% re 13.0 12.2
% re in de ds 15.2 14.2
% zetmeel 59.9 60.9
Hectoliter gew (kg/hl) 67 70
Zeleny waarde 51 43
Duiz korrel gewicht 38 40
Trip Kg Vocht O. s pH-w pH-KCl K N
0-meting 21.68% 11.98% 5.86% 4.97% 3.71% 0.25%
200 t klei 22.51% 11.43% 6.64% 6.07% 4.89% 0.23.%
Opbrengst
Veld
ton
zetmeel
%
ton
zetmeel/ha
Klei Oostwold Messina 46.6 20.0 9.4
Geen klei Messina 45.9 18.5 8.5
Bentoniet Seresta 48.1 22.2 10.7
Harbert Opbrengst
Veld ton zetmeel% ton zetmeel/ha
Altus Bentoniet Altus 57.4 21.7 12.5
Klei + bentoniet Altus 52.9 23.3 12.3
Klei Oostwold Altus 55.4 22.7 12.6
Geen klei Altus 60.6 22.5 13.6
Klei slurry Avarna 49.2 24.2 11.9
Geen slurry Avarna 50.9 24.1 12.3
Ten Have
kg Vocht os pH w pH kcl
Grond zonder klei
10,7 13.51% 10.7 6.57 5.76
Grond met klei uit
Oostwold 11,6 14.77% 9.05 6.72 6.01
Ten Have Kg Vocht O. s pH-w pH-KCl K N
0-meting 14.8 13.71% 11.19% 6.02% 5.15% 10.66.% 0.22%
50 t bentoniet 14.4 11.92% 8.50% 6.55% 5.76% 13.11% 0.19%
50 t bentoniet + 50 t
Klei 13.3 12.42% 9.18% 6.67% 6.02. 8.49% 0.18%
50 t klei 13.8 9.98% 7.41% 6.67% 6.09% 14.65% 0.19%
.
BietenTrip Kg Vocht O. s pH-w pH-KCl K N
0 meting 10540 25.82% 16.73% 5.79% 4.84% 11.02% 0.39%
Met 40 t klei 10560 18.77% 12.97% 6.19% 5.40% 10.82% 0.23%
Luppo:
Stoffer
Luppo:
Aardappelen Hofman Kg Vocht O. s pH-w pH-KCl K N
0-meting 20.1 14.37% 9.98% 5.92% 5.34% 18.17% 0.23%
32 t klei 17.4 11.78% 11.11% 5.90% 5.11% 18.52% 0.23%
70 t bentoniet 23.3 11.93% 5.94% 6.48% 5.87% 22.08% 0.16%
Diepenbroek Kg Vocht O. s pH-w pH-KCl K N
0-meting 22.3 15.00% 8.63% 5.59% 4.45% 15.52% 0.21%
Klei niet zichtbaar maar
wel aanwezig 14.58% 11.95% 6.00% 5.16% 10.07% 0.25%
Klei weinig zichtbaar 22 15.33% 11.20% 5.66% 4.65% 9.83% 0.22%
Klei goed zichtbaar 21.3 12.41 8.40 6.56 5.16 10.54 0.19
Frans Vos
Opbrengst uien, per m²
Met bentoniet zonder bentoniet
9 7.5
9.3 7.6
8.3 7.4
8.9 7.5
Weegplekken tussen met en zonder liggen 30 meter uit elkaar
Schuring Kg Vocht O. s pH-w pH-KCl K N
0-meting 14.47% 9.68% 5.75% 4.53% 6.67% 0.15%
Wessingtange 30 t klei
+ 20 t compost 13.71% 7.32% 5.99% 5.06% 6.67% 0.15%
0-meting 16.68% 8.28% 5.75% 4.52% 11.96% 0.23%
Huiskavel 30 t Klei + 20
t compost 18.38% 13.30% 5.49% 4.26% 6.43% 0.26%
Wessingtange Zonder Met klei en
compost
VEVI 1052 1037
DVE 57 52
Structuurwaarde 1.2 1.3
Ruw As 24 28
Ruwe celstof 132 140

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Resultaten Klei voor de Veenkoloniën

  • 1. Praktijknetwerk Klei voor de Veenkoloniën Harbert ten Have – akkerbouwer Harm de Vries – projectcoördinator Gino Smeulders – biogeoloog
  • 2. We hebben 3 banen van 295 passen lang geoogst. Eerste baan: tarwe op grond zonder klei, met sproeisporen: 740 kg Tweede baan: tarwe met twee kleuren: 840 kg Derde baan: tarwe op grond met klei: 960 kg Tarwe zonder klei Tarwe met klei % ds 14.3 14.1 % re 13.0 12.2 % re in de ds 15.2 14.2 % zetmeel 59.9 60.9 Hectoliter gew (kg/hl) 67 70 Zeleny waarde 51 43 Duiz korrel gewicht 38 40 Trip Kg Vocht O. s pH-w pH-KCl K N 0-meting 21.68% 11.98% 5.86% 4.97% 3.71% 0.25% 200 t klei 22.51% 11.43% 6.64% 6.07% 4.89% 0.23.%
  • 3. Opbrengst Veld ton zetmeel % ton zetmeel/ha Klei Oostwold Messina 46.6 20.0 9.4 Geen klei Messina 45.9 18.5 8.5 Bentoniet Seresta 48.1 22.2 10.7 Harbert Opbrengst Veld ton zetmeel% ton zetmeel/ha Altus Bentoniet Altus 57.4 21.7 12.5 Klei + bentoniet Altus 52.9 23.3 12.3 Klei Oostwold Altus 55.4 22.7 12.6 Geen klei Altus 60.6 22.5 13.6 Klei slurry Avarna 49.2 24.2 11.9 Geen slurry Avarna 50.9 24.1 12.3
  • 4. Ten Have kg Vocht os pH w pH kcl Grond zonder klei 10,7 13.51% 10.7 6.57 5.76 Grond met klei uit Oostwold 11,6 14.77% 9.05 6.72 6.01 Ten Have Kg Vocht O. s pH-w pH-KCl K N 0-meting 14.8 13.71% 11.19% 6.02% 5.15% 10.66.% 0.22% 50 t bentoniet 14.4 11.92% 8.50% 6.55% 5.76% 13.11% 0.19% 50 t bentoniet + 50 t Klei 13.3 12.42% 9.18% 6.67% 6.02. 8.49% 0.18% 50 t klei 13.8 9.98% 7.41% 6.67% 6.09% 14.65% 0.19%
  • 5. . BietenTrip Kg Vocht O. s pH-w pH-KCl K N 0 meting 10540 25.82% 16.73% 5.79% 4.84% 11.02% 0.39% Met 40 t klei 10560 18.77% 12.97% 6.19% 5.40% 10.82% 0.23% Luppo: Stoffer Luppo: Aardappelen Hofman Kg Vocht O. s pH-w pH-KCl K N 0-meting 20.1 14.37% 9.98% 5.92% 5.34% 18.17% 0.23% 32 t klei 17.4 11.78% 11.11% 5.90% 5.11% 18.52% 0.23% 70 t bentoniet 23.3 11.93% 5.94% 6.48% 5.87% 22.08% 0.16% Diepenbroek Kg Vocht O. s pH-w pH-KCl K N 0-meting 22.3 15.00% 8.63% 5.59% 4.45% 15.52% 0.21% Klei niet zichtbaar maar wel aanwezig 14.58% 11.95% 6.00% 5.16% 10.07% 0.25% Klei weinig zichtbaar 22 15.33% 11.20% 5.66% 4.65% 9.83% 0.22% Klei goed zichtbaar 21.3 12.41 8.40 6.56 5.16 10.54 0.19
  • 6. Frans Vos Opbrengst uien, per m² Met bentoniet zonder bentoniet 9 7.5 9.3 7.6 8.3 7.4 8.9 7.5 Weegplekken tussen met en zonder liggen 30 meter uit elkaar
  • 7. Schuring Kg Vocht O. s pH-w pH-KCl K N 0-meting 14.47% 9.68% 5.75% 4.53% 6.67% 0.15% Wessingtange 30 t klei + 20 t compost 13.71% 7.32% 5.99% 5.06% 6.67% 0.15% 0-meting 16.68% 8.28% 5.75% 4.52% 11.96% 0.23% Huiskavel 30 t Klei + 20 t compost 18.38% 13.30% 5.49% 4.26% 6.43% 0.26% Wessingtange Zonder Met klei en compost VEVI 1052 1037 DVE 57 52 Structuurwaarde 1.2 1.3 Ruw As 24 28 Ruwe celstof 132 140