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Field trials, 2013     • Bullmark 1, May 31, 22 SeedPads • Agnsjön, June 13, 50 SeedPads • Bullmark 2, June 24, 50 SeedPads • Ruonivaara, Finland,

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Presentation on theme: "Field trials, 2013     • Bullmark 1, May 31, 22 SeedPads • Agnsjön, June 13, 50 SeedPads • Bullmark 2, June 24, 50 SeedPads • Ruonivaara, Finland,"— Presentation transcript:

1 Field trials, 2013     • Bullmark 1, May 31, 22 SeedPads • Agnsjön, June 13, 50 SeedPads • Bullmark 2, June 24, 50 SeedPads • Ruonivaara, Finland, June, July, August, September, October, November, 50 SeedPads per date (tot: 300)

2 Bullmark (Bullmark 1)

3 Agnsjön

4 After three days

5 After days

6 After 55 days

7 Seedling establishment, Sweden Seedling establishment TreatmentBullmark 1Bullmark 2AgnsjönMedel SeedPad %79 %75 %76 % Cover, peat73 %48 %85 %69 % Microprep + cover with sand -68 %72 %70 % Conventional direct seeding 9 %--

8 No seedling established, Sweden

9 Ruonivaara June July August Germination, %

10 Modeling of moisture conditions close to soil surface * Drivdata: klimatdata från Lycksele för perioden – Harald Grip - SLU cm Humus Mineralsoil Soilprofiles Humus on Mineralsoil mineralsoil Covering with organic substrate is efficient for improving moisture conditions A D C B Permanent vissningsgräns Enough for germination at normal air humidity conditions Oleskog et al 2000.

11 Conclusions  Seedling establishment over 70% is possible during the first summer  Robust seedling establishment  Possible to develop  Possible to use seed orchard seeds Results: Questions:  Production cost?  Productivity?  Total cost?

12 Seeded: July 8 Photo: September 2


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