Effects of Converting Native Grassland to Crested Wheatgrass and Wheat on Grassland Productivity and Soil Carbon Stock
Bibliographic record
Abstract
[Objective]The research aimed to utilize and manage grassland more resonably and to provide theoretical guidance for the sustainable development of grassland.[Method]Two representitive forage types,prennial grass crested wheatgrass and annual crop wheat were chosed as cultivation treatments.Two sites(ADRI and Onefour) were established in spring of 1993 and 1994 to investigate converting native grassland to crested wheatgrass and wheat on ANPP and soil carbon stock.[Result]The results showed that,ANPP in 0-2×109 and 0-12×109 g/hm2soil mass layers were significantly affected by sites and treatments(P0.05).Converting native grassland to crested wheatgrass 13/12 years led lower ANPP while wheat led higher ANPP.Converting native grassland to crested wheatgrass 13/12 years had no effects on soil carbon stock(P0.05) while wheat led lower soil carbon stock(P0.05).The ANPP of all treatments in ADRI site were all higher than those of Onefour site(P0.05).On Canadian Mixed Prairie,grassland ANPP had positive liner relation to soil organic carbon stock(P0.000 1).[Conclusion]Planting crested wheatgrass and wheat on Canadian Mixed Prairie for 13/12 years introduced grassland productivity changed significantly.
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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".