Response of four common bean cultivars to granular inoculant in a short-season dryland production system
Bibliographic record
Abstract
Common bean (Phaseolus vulgaris L.) is considered to be a poor N fixer relative to other legumes. However, considerable genotypic variability between cultivars is known to exist. Determining the importance of the host genotype to the symbiotic process will assist breeders in developing bean cultivars with improved N2 fixing capacity. Field experiments were conducted at two locations in Saskatchewan for two seasons to assess the N2 fixation rates of four common bean cultivars differing in growth habit and maturity. Beans were inoculated using a granular inoculant applied in the seedrow or in a sideband, or not inoculated at all. Inoculation resulted in greater nodule dry mass, shoot dry mass, seed yield and amount of N derived from atmosphere as compared with the uninoculated control. The response to inoculant application was cultivar specific, with N derived from the atmosphere ranging from a low of 51% (CDC Camino) to a high of 78% (CDC Pinnacle). The cultivars responded similarly to inoculant placement. The sideband treatment was associated with a delay in maturity. This may limit the suitability of this treatment where early maturity of the crop is critical. Key words: Phaseolus vulgaris, common bean, Rhizobium, N2 fixation, inoculation
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| 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 source (direct Gemma or distilled Codex), 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".