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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

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MicMac Design Project

MicMac-Design Project

Cropping systems experimented at Auzeville site

Integrated crops production and pesticides use reduction

Six cropping systems are to be studied at Auzeville site, with the following issue :

How to benefit from natural abiotic and biotic resources through an integrated crop management enabling to limit pests dammages while reducing pesticides impact?

Description of cropping systems to be experimented from 2010 to 2013

System

Comments

1st Year

2nd Year

3rd Year

BI-2018

Low input - Objective Ecophyto 2018*
with (+CI) or without cover crops

Sorghum

Sunflower

Durum wheat

BI-2018 + CI

Sorghum
Volunteers

Sunflower
Egyptian clover
(undersown)

Durum wheat
Phacelia + Vetch (Vicia benghalensis L.)

TBI-Mono

Very low input in monospecific crop stands
with (+CI) or without cover crops

Sunflower

Winter fababean

Durum wheat
(cultivars mixture)

TBI-Mono + CI

Sunflower
Bristle oat

Winter fababean
Mustard + Volunteers

Durum wheat
(cultivars mixture)
Bristle oat + Vetch
(Vicia benghalensis L.)

TBI-Asso

Very low input with intercropping
with (+CI) or without cover crops

Intercropped
Soybean / Sunflower

Intercropped Winter fababean / Triticale

Intercropped
Winter pea / Durum weat

TBI-Asso + CI

Intercropped
Soybean / Sunflower

Intercropped Winter fababean / Triticale
Mustard

Intercropped
Winter pea / Durum weat
Phacelia + Bristle oat

Bold: harvested crops
Italic: cover crops

* The "Ecophyto 2018" plan is one of the measures proposed by the "Grenelle de l’environnement" in France. It aims at dividing pesticides use by two before 2018.

Each cropping system is repeted 3 times so as to study all the crops of the rotations every year.