Fig. 11


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Correlation circle crossing the first two components of the principal component analysis performed on the result indicators (53 in total) averaged by blocks. When indicators were redundant, only one was retained. We represent here only the vectors whose cos2 (relative contribution) is greater than or equal to 50%. Indicators whose name begins with "m." are those whose value has been modified by adding a minus sign so that the direction of the vector indicates an improvement in the desired performance. Thus, the arrow for "m.N_miner" indicates the direction of the decrease in nitrogen use. The blue vectors are illustrative and represent the indicators we have chosen to represent diversification as well as the oilseed and protein crop rates.

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