Open Access
Table 3
Evolution of cultivation practices in cooperatives or companies commited to improvement efforts.
| % of the total area | ||
|---|---|---|
| 2015/2016 | 2016/2017 | |
| Decision Support System to calculate the rate of N fertilizer by taking into account the biomass at the end of winter | ||
| No tool is used | 10.5 | 16.4 S |
| Tool with visual estimation of the biomass | 28.6 | 30.4 NS |
| Tool with estimation of the biomass by weighing | 36.6 | 30.0 S |
| Tool with estimation of the biomass by remote sensing | 24.3 | 23.2 NS |
| Difference between the amount of N fertilizer actually applied and the calculated rate within −10 to 10 kg N ha−1 | 52.5 | 42.3 S |
| Rapeseed cultivated after a legume preceding crop | 2.0 | 2.9 S |
| Rapeseed cultivated with frost sensitive legumes | 1.1 | 1.9 S |
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