Effects of Density and Nitrogen Fertilizer on The Yield, Agronomic Traits and Photosynthetic Characteristics of
Bibliographic record
Abstract
In order to understand the optimal planting density and nitrogen fertilizer application amount of barley variety ‘Yundamai 12’, a two-factor randomized block experiment was designed to explore the effects of density, nitrogen fertilizer and their interactions on the yield, agronomic traits and photosynthetic parameters of ‘Yundamai 12’. The results showed that different densities had no significant effect on yield, but no effect on a single plant tiller. There were no significant effects of density and nitrogen application rates on four photosynthetic parameters and chlorophyll content. Dense nitrogen interaction did not affect yield, agronomic traits, stomatal conductance, intercellular CO 2 concentration, transpiration rate and chlorophyll significantly were not significant, but only had a significant effect on the net photosynthetic rate; the planting density was 850 000 hm 2 . The yield reached the maximum when the amount of nitrogen was 112.5 kg/hm 2 , which was the optimal density and nitrogen fertilizer scheme for ‘Yundamai 12’.
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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".