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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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Clay & Aguilar (1998) compared the
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Heggenstaller & Liebman (2006) comp
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growth of any (crop or weed) plant
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A.V DIVERSIFIED CROPPING SYSTEM CON
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crops will thus probably show rathe
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annual crops while increasing organ
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• Which species are suppressed, w
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B OVERWIEW OF THE MATERIALS & METHO
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A) France B) Study site ~1000 km Pe
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perennial crops with different mana
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B.III.2.4 Cutting height In 2008, t
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B.IV.3 Design of the seed predation
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Agron. Sustain. Dev. 30 (2010) 657-
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Contrasting weed species compositio
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Mean frequency in perennial lucerne
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C.I.2 Article 2: Meiss, H., Médiè
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332 H Meiss et al. communities (Boo
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334 H Meiss et al. functional group
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336 H Meiss et al. Table 3 Indicato
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338 H Meiss et al. Relative frequen
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340 H Meiss et al. MEISS H, MUNIER-
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perennial crop treatments, differen
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PFCs might inhibit the successful g
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during winter), T10 without soil ti
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The viability and germination abili
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Table 8: Organic carbon and total n
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The development of weed species ric
Page 105 and 106: C.II.3.1.2 Dynamics of weed communi
Page 107 and 108: C.II.3.1.3 Dynamics of individual w
Page 109 and 110: Time Fig. 14: Temporal development
Page 111 and 112: At the end of the experiment in spr
Page 113 and 114: Difference sown - unsown (plants m
Page 115 and 116: Cumulated BM production (g m -2 ) 1
Page 117 and 118: Weed biomass (g m -2 ) 500 400 300
Page 119 and 120: Table 12: Factors differing between
Page 121 and 122: However, some differences in densit
Page 123 and 124: Table 13: Mechanisms causing the im
Page 125 and 126: 2007 and 2008, while big numbers of
Page 127 and 128: • Weed biomasses decreased in sum
Page 129 and 130: Our results show that different mec
Page 131 and 132: including exotic species (Palmer an
Page 133 and 134: 01234568912661943 ! "#$$%&' ()123)4
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Page 139 and 140: 0123156789153263616 52675!6253!1!"5
Page 141 and 142: XIII ème COLLOQUE INTERNATIONAL SU
Page 143 and 144: irradiation,…), and (ii) biotic i
Page 145 and 146: Table I: Species included in the ex
Page 147 and 148: Fig. 2: Mean biomass (harvestable d
Page 149 and 150: When both treatments were combined,
Page 151 and 152: C.IV WEED SEED PREDATION C.IV.1 Art
Page 153 and 154: 99"268)3635683498354836792666676983
Page 155: 001234564787938494694783 777787946!
Page 159 and 160: XIII ème COLLOQUE INTERNATIONAL SU
Page 161 and 162: produites restent à la surface du
Page 163 and 164: Tableau 1 : Liste des espèces adve
Page 165 and 166: Insectes prédateurs Les principaux
Page 167 and 168: C.IV.3 Article 8: Meiss, H., Lagade
Page 169 and 170: Table 1 Studies investigating the i
Page 171 and 172: Table 2 Overview showing (i) mean s
Page 173 and 174: higher weed seed losses (e.g., Mena
Page 175 and 176: D GENERAL DISCUSSION Data from weed
Page 177 and 178: The first two limits could be addre
Page 179 and 180: composition that may be compared to
Page 181 and 182: Frequency in field experiment (Epoi
Page 183 and 184: crops (Clay and Aguilar, 1998; Card
Page 185 and 186: Such diversified crop rotations cou
Page 187 and 188: the leaves (needed for photosynthes
Page 189 and 190: field margin strips (compare Articl
Page 191 and 192: 1) The absence of soil tillage and
Page 193 and 194: D.III.2 Predicting weed regrowth af
Page 195 and 196: Future studies must determine the s
Page 197 and 198: (illustrated in Fig. 24). Later, re
Page 199 and 200: D.III.3 Factors determining weed se
Page 201 and 202: governing the presence and abundanc
Page 203 and 204: natural conditions, weed species po
Page 205 and 206: 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
Page 215 and 216:
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.
Page 231 and 232:
Name of species /genera Code Freq.
Page 233 and 234:
ERKLÄRUNG (DECLARATION FOR THE GIE
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