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The effect of intercropping winter peas and non-legumes on the weed suppressive ability in deep and short-term shallow ploughed soils

Gronle, Annkathrin and Böhm, Herwart (2014) The effect of intercropping winter peas and non-legumes on the weed suppressive ability in deep and short-term shallow ploughed soils. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 367-370.

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Summary

The interaction between winter pea sole or intercropping and ploughing depth was investigated in field experiments in Northern Germany in the growing seasons 2008/09-2010/11 with regard to weed infestation. A normal-leafed (cv. E.F.B. 33) and a semi-leafless winter pea (cv. James) were grown as sole crops and in intercrops with oilseed rape or triticale. The two ploughing depths were short-term shallow ploughing to a soil depth of 8-10 cm and deep ploughing to 25-27 cm. The normal leafed winter pea cv. E.F.B. 33 showed a better weed suppressive ability than James. Moreover, winter pea-triticale intercrops were more effective than winter pea-oilseed rape intercrops in suppressing weeds. No beneficial effect of intercropping the semi-leafless cv. James and oilseed rape was found with regard to a reduction in weed infestation. The ploughing depth had mostly no significant effect on the weed infestation in winter pea sole or intercrops. Intercropping E.F.B. 33 and triticale, however, compensated for a higher weed infestation after shallow ploughing in 2008/09.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:weed suppression, oilseed rape, triticale
Subjects: Crop husbandry > Crop combinations and interactions
Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Soil tillage
Research affiliation: International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Gronle, Annkathrin
ID Code:23697
Deposited On:27 Oct 2014 16:20
Last Modified:27 Oct 2014 16:21
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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