Effects of water and nitrogen application on photosynthetic characteristics and yield of winter wheat in the late growing and developing period
Bibliographic record
Abstract
Under field conditions,effects of irrigation and nitrogen application on photosynthetic characteristics and yield of winter wheat were studied in the late stages of wheat development.The results indicated that the photosynthetic characteristics of flag leaves variously responded to water and nitrogen application.Chlorophyll contents,PSⅡ activity (Fv/Fo) and the maximal quantum efficiency of PSII photochemistry (Fv/Fm) increased and nonphotochemical quenching coefficient (qN) decreased when suitably more nitrogen applied,the treatment of suitably higher nitrogen raised net photosynthetic rate (Pn) and yield of winter wheat consequently.However,treatments of insufficient and too much irrigation badly affected the abovementioned photosynthetic characteristics by nitrogen application,especially in the rather late period,which reduced the wheat yield and irrigation and nitrogen efficiency subsequently.
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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 | 0.000 | 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) | 0.000 | 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".