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DOI: | 10.1080/09064710.2017.1300937 |
Web URL(s): | http://www.tandfonline.com/doi/full/10.1080/09064710.2017.1300937 Last checked: 06/16/2017 Access conditions: Item is within a limited-access website http://www.tandfonline.com/doi/pdf/10.1080/09064710.2017.1300937 Last checked: 06/19/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Report |
Author(s): | Havstad, Lars T.;
Øverland, John Ingar |
Author Affiliation: | Havstad: Department Grain and Forage Seed Agronomy, The Norwegian Institute of Bioeconomy Research (NIBIO), Grimstad, Norway; Øverland: Norwegian Agricultural Extension Service (NLR), Viken, Stokke, Norway |
Title: | Effect of sowing methods and sowing rate in organic seed production of timothy (Phleum pratense L.), meadow fescue (Festuca pratensis Huds.) and red clover (Trifolium pratense L.) |
Source: | Acta Agriculturae Scandinavica: Section B, Soil and Plant Science. Vol. 67, No. 5, 2017, p. 462-473. |
Publishing Information: | [London, United Kingdom]: Taylor & Francis |
# of Pages: | 12 |
Related Web URL: | http://www.tandfonline.com/doi/abs/10.1080/09064710.2017.1300937 Last checked: 06/16/2017 Notes: Abstract only |
Keywords: | TIC Keywords: Evaluations; Festuca pratensis; Maintenance practices; Phleum pratense; Recommendations; Seed production; Seeding methods; Seeding rate; Trifolium pratense
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Abstract/Contents: | "Different sowing methods and sowing rates were evaluated in organic seed production of timothy (two trials), meadow fescue (two trials) and red clover (one trial) in Southeast Norway, during 2010-2013. The plan included: (1) broadcast sowing of grass/clover, cover crop sown at 12 cm row distance; (2) sowing of cover and seed crop in crossed rows, both at 12 cm row distance; and (3) sowing of cover crop and seed crop in every other row. The three sowing rates were 5, 10 and 15 kg ha-1 in timothy and meadow fescue and 3, 6 and 9 kg ha-1 in red clover. On average for sowing rates and all trials with timothy, meadow fescue and red clover, first years seed yields were 56%, 20-25% and 19-25% higher on plots sown with cover crop and seed crop in every other row than on plots where seed crop had been broadcast or sown perpendicularly to the cover crop. The different sowing methods had no effect on weed coverage or weed contamination in the cleaned seed. Increasing sowing rate usually had a negative influence on seed yield, while weed coverage/contamination was not significantly affected. It is concluded that organic seed crops should be established with cover crop and seed crop in every other row at a low sowing rate. However, in an organic production system, even this favorable method will not always be sufficient to meet the requirement for seed crop purity." |
Language: | English |
References: | 43 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Havstad, L. T., and J. I. Øverland. 2017. Effect of sowing methods and sowing rate in organic seed production of timothy (Phleum pratense L.), meadow fescue (Festuca pratensis Huds.) and red clover (Trifolium pratense L.). Acta Agriculturae Scandinavica: Section B, Soil and Plant Science. 67(5):p. 462-473. |
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| DOI: 10.1080/09064710.2017.1300937 |
| Web URL(s): http://www.tandfonline.com/doi/full/10.1080/09064710.2017.1300937 Last checked: 06/16/2017 Access conditions: Item is within a limited-access website http://www.tandfonline.com/doi/pdf/10.1080/09064710.2017.1300937 Last checked: 06/19/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: b4897625 MSU catalog number: b2483019 |
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