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, ? What was your target for early returns

, ? What were your real yields after harvest (in qt/ha)?

, ? If objective and real returns have been different

, ? Have you applied one (or more) organic nitrogen fertilizer on this plot? No Yes ? If yes, how much

, ? How was the amount of nitrogen contained in this (these) intake (s) taken into account? Analysis Reference table It was not taken into account ? Does mineral nitrogen fertilizer advice take into account this quantity?, No Yes ? Have you buried the fertilizer? No Yes In terms of mineral nitrogen fertilization

, ? Please indicate the amount of mineral nitrogen recommended by your nitrogen advisory agency on this plot

, Was there any advice on the first nitrogen intake? No Yes ? If yes, how much

, No Yes ? If yes, how much ? ? Did you split the contributions? No Yes ? If yes, how much ? Regulatory Doses: ? Is there a maximum that you should not exceed on this parcel? No Yes. ? If yes, how much

, ? Is there a type of spreading that you must follow? No Yes ? If yes, which one? ? If yes, what is this regulatory constraint related to? Vulnerable area MAE Other Actual decisions of mineral nitrogen fertilization: ? How much did you actually apply to this parcel in total

, ? And at the first intake (in kgN/ha)? ? Explain the reasons for your choice

, ? What is the share of synthetic nitrogen fertilizer costs in your total expenses for this parcel (in %)?, Some additional questions on your farm

, ? How much PAC assistance do you receive in total

, Uncertainty, irreversibility and information at the core of farmers' reluctance to adopt

, 135 5.3 Not only risk but ambiguity aversion impact N2O emissions mitigation related to nitrogenous fertilization practices