Effects of Different Carbon Dioxide Concentration and Cultivation Methods on Growth of Tomato
Why this work is in the frame
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Bibliographic record
Abstract
Taking tomato‘Shali'as material,through applying carbon dioxide(CO2)in solar greenhouse,the effect of three different cultivation methods that were negative pressure irrigation with supplying nutrient solution,matrix cultivation and soil cultivation on growth,yield and nutrient use efficiency were compared.The results showed that,higher carbon dioxide concentration could increase plant height,stem diameter and leaf number of tomato,improve SPAD of tomato leaf and promote anthesis and mature period ahead.Besides,it increased dry matter content and yield of tomato,reduced rootshoot and improved nutrient solution using efficiently.In terms of cultivation method,tomato under soil cultivation was good in early stage compared with tomato under matrix cultivation and negative pressure irrigation,but the later two cultivation exceeded in later period.Moreover,there were no significant differences between matrix cultivation and negative pressure irrigation during the whole growth period.
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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 it