How much is sole-cropping systems sustainable for camellia and crambe?
Bibliographic record
Abstract
Crambe (Crambe abyssinica R.E. Fries) and camelina (Camelina sativa L. Crantz) are two oilseed crops belonging to the Brassicaceae family. Typically crops belonging to this family highly suffer from solecropping system, as extensively reported for oilseed rape (Brassica napus L. var. oleifera). Otherwise crambe and camelina are considered resilient species as demonstrated in the framework of the COSMOS (G.A. 635405) project, while in the MAGIC project (G.A. 727698) they have been identified also as suitable to grow in marginal land. But for a stable introduction of these two new oilseeds into typical European crop rotation schemes a full understanding of the effects of sole-cropping have never been carried out before. At this scope a multi-location and multi-year trial has been established in Italy (Bologna, 44°33’N, 11°23’E) and Greece (Aliartos, 8°22’N, 23°6’E) in 2017 and it is still ongoing, comparing the effect of sole-cropping vs. wheat-oilseed succession on one commercial variety of camelina (Midas, Linnaeus Plant Science, Canada) and on one of crambe (Galactica, Wageningen University and Research, The Netherlands). Since establishment in spring 2017, each year the oilseed is sown either on the past year stand or in a new stand in which winter wheat was grown the season before. The experimental design is a randomized complete block with 4 replicates. From the analysis of the first 2-year data surveyed at Bologna an interesting “species x cropping system” interaction effect emerged for seed yield, with camelina significantly suffering from mono-succession (-17%) while in crambe an increase on yield was surveyed (+10%). For all the other<br> analyzed seed quality parameters (i.e., seed weight, oil and protein contents, fatty acid composition) negligible effects due to cropping system were surveyed in both species. The inclusion of the data obtained in Greece together with a further year of trials (2019) will permit to more clearly quantify the effect of solecropping systems in these two emerging oilseed crops, with outstanding potential for the European biobased industry. From these preliminary results crambe seemed more suitable to sole-cropping system than camelina.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".