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Table 2
Description of the ten proposals designed by farmers to introduce camelina in their cropping systems. MAE means Agro-Environmental Measures and refers to an objective of reduction of agrochemical products (%).
| Description of the proposal | Soil type | Farmer’s stated objectives | Additional information | |
|---|---|---|---|---|
| 1 | Pure camelina as double crop after canned pea | Deep loamy-clay | Replace the mandatory catch crop after canned pea | – |
| 2*,1 | Pure camelina as double crop after canned pea | Deep loamy-clay | Replace the mandatory catch crop after canned pea | MAE 50% except herbicides; 40% herbicides Direct sowing |
| 3* | Pure camelina as double crop after winter barley | Deep loamy-clay (∼ 20% of clay) | Replace the catch crop sown before the spring crops (maize or sugarbeet) | MAE 50% except herbicides |
| 4 | Pure camelina as double crop after winter barley | Deep loamy-clay (or sandy) | Replace rapeseed in the crop sequence with a low-input crop | – |
| 5 | Pure camelina as double crop after winter barley | Shallow limestone or loamy-sandy | Break out the succession of two straw cereals (winter wheat and winter barley) | MAE 50% except herbicides; 40% herbicides– Direct sowing |
| 6 | Pure camelina as relay crop after winter barley | Shallow limestone or loamy-sandy | Diversify the usual crop sequence “Rapeseed – Winter Wheat– Winter Barley” | – |
| 7* | Pure camelina as spring crop after an immature rye valorised through a methanation unit | Deep loamy | Introduce a crop with a shorter cycle than maize to make a second energy catch crop (sorghum) after the camelina (instead of sowing catch crop) | – |
| 8 | Pure camelina as spring crop between two buckwheat cycles | Shallow limestone or loamy-sandy | Diversify the crop sequence and eventually replace rapeseed | MAE 50% except herbicides; 40% herbicides Direct sowing |
| 9* | Pure camelina as spring crop after winter wheat | Sandy | Extend the crop sequence, introduce a low-input crop in the crop sequence and eventually replace rapeseed | MAE 50% except herbicides Direct sowing |
| 10 | Spring camelina intercrop with spring pea or spring barley | Shallow limestone or loamy-sandy | Introduce a spring crop in the winter crop sequence (rapeseed–wheat–barley). Increase soil cover with the intercropping | No till system |
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