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Problem: For economic reasons, rotations in the Berry region are short and focused on winter crops (rapeseed-wheat-barley). Such rotations are prone to high weed pressure (such as bedstraw, hedge mustard, geraniums, etc., including resistant weeds), and lead to a high dependence on herbicides (average TFI of 2.9). Ten-year projections (carried out by Arvalis, Terres Inovia and ITB using the Systerre® tool) have shown that weed pressure may increase further in these rotations, leading to a 37%doi:10.5281/zenodo.4117847 fatcat:euabhnjhazaxzmz52yduqptehy