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Diversifying crop rotations with te
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In Chizé, I am indebted to all the
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Talks . ...........................
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C.II.4.1 Differences between crop t
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INDEX OF FIGURES Fig. 1: Population
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ABSTRACTS (ENGLISH, FRENCH & GERMAN
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Extended summary in English Résum
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Extended summary in English Résum
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CONTEXT AND FUNDING This thesis is
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THESIS ORGANISATION This thesis ent
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8) Meiss, H., Lagadec, L. L., Munie
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Posters . 1) Meiss, H., Waldhardt,
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2007). Agriculture is increasingly
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term considerations (Munier-Jolain
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problematic for the production of d
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Newton, 2004). Several bird species
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A.III APPROACHES TO ALLEVIATE THE
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and higher production costs or even
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competitive yield loss (Cousens, 19
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2006; Makowski et al., 2007). Moreo
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Table 3: Four strategies for combin
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otations is thus an obvious approac
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iv) the availability of cheap and e
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- Page 55 and 56: crops will thus probably show rathe
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- Page 65 and 66: perennial crops with different mana
- Page 67 and 68: B.III.2.4 Cutting height In 2008, t
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- Page 75 and 76: Contrasting weed species compositio
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- Page 79 and 80: Mean frequency in perennial lucerne
- Page 81 and 82: C.I.2 Article 2: Meiss, H., Médiè
- Page 83 and 84: 332 H Meiss et al. communities (Boo
- Page 85 and 86: 334 H Meiss et al. functional group
- Page 87 and 88: 336 H Meiss et al. Table 3 Indicato
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- Page 93 and 94: perennial crop treatments, differen
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- Page 107 and 108: C.II.3.1.3 Dynamics of individual w
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- Page 117 and 118: Weed biomass (g m -2 ) 500 400 300
- Page 119 and 120: Table 12: Factors differing between
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- Page 141 and 142: XIII ème COLLOQUE INTERNATIONAL SU
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When both treatments were combined,
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C.IV WEED SEED PREDATION C.IV.1 Art
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XIII ème COLLOQUE INTERNATIONAL SU
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produites restent à la surface du
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Tableau 1 : Liste des espèces adve
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Insectes prédateurs Les principaux
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C.IV.3 Article 8: Meiss, H., Lagade
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Table 1 Studies investigating the i
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Table 2 Overview showing (i) mean s
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higher weed seed losses (e.g., Mena
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D GENERAL DISCUSSION Data from weed
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The first two limits could be addre
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composition that may be compared to
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Frequency in field experiment (Epoi
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crops (Clay and Aguilar, 1998; Card
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Such diversified crop rotations cou
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the leaves (needed for photosynthes
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field margin strips (compare Articl
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1) The absence of soil tillage and
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D.III.2 Predicting weed regrowth af
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Future studies must determine the s
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(illustrated in Fig. 24). Later, re
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D.III.3 Factors determining weed se
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governing the presence and abundanc
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natural conditions, weed species po
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This PhD research project documente
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area needed for crop production. Gl
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seed characteristics, tillage and s
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Fried G., S. Petit, F. Dessaint, X.
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at the Eastern base of the Meissner
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Lindegarth M., L. Gamfeldt. (2005)
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Murphy S.D., D.R. Clements, S. Bela
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affected by experimental substrate.
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Vincent G., M. Ahmim. (1985) Note o
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ANNEXES ANNEXE 1: KEY WORDS IN ENGL
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genetically modified crop varieties
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ANNEXE 3: WEED SPECIES OF THE LARGE
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Name of species /genera Code Freq.
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Name of species /genera Code Freq.
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ERKLÄRUNG (DECLARATION FOR THE GIE