{"id":"W3186175753","doi":"10.4236/ajps.2021.127076","title":"N/P/K Ratios and CO<sub>2</sub> Concentration Change Nitrogen-Photosynthesis Relationships in Black Spruce","year":2021,"lang":"en","type":"article","venue":"American Journal of Plant Sciences","topic":"Plant responses to elevated CO2","field":"Agricultural and Biological Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ontario Forest Research Institute; Lakehead University","funders":"Natural Sciences and Engineering Research Council of Canada; Lakehead University","keywords":"Photosynthesis; Nutrient; Nitrogen; Animal science; Carbon fixation; Chemistry; Carboxylation; Botany; Biology; Biochemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001394038,0.0004095419,0.0003806768,0.0002035659,0.0002415919,0.0005528058,0.0003607413,0.0004419349,0.0007316784],"category_scores_gemma":[0.0001752832,0.0003836431,0.0002492817,0.000155247,0.0003845094,0.0004216613,0.0002384507,0.0005905995,0.0001949512],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006763125,"about_ca_system_score_gemma":0.0003129426,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005390043,"about_ca_topic_score_gemma":0.006613516,"domain_scores_codex":[0.9998606,0.00001737623,0.00001387226,0.00006337433,0.00001817124,0.00002663208],"domain_scores_gemma":[0.9997739,0.00004212447,0.00005962183,0.00002023528,0.0000263751,0.00007778809],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0006060666,0.00003753263,0.002261246,0.00003038389,0.00001194423,0.00005074688,0.00003172075,0.0001259499,0.9959648,0.00003395094,0.00001679573,0.000828837],"study_design_scores_gemma":[0.00006112933,0.001026271,0.2442857,0.00001219158,0.00006027632,0.0003435839,0.0002247168,0.00296249,0.7496284,0.0002712048,0.001091692,0.00003232648],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9986939,0.0005085293,0.0002269565,0.00003264517,0.000006072245,0.000004129025,0.0001095585,0.00002417062,0.0003940327],"genre_scores_gemma":[0.9977337,0.0002604952,0.0007271327,0.00006037172,0.000005382695,0.00001596896,0.000222364,0.0000192406,0.0009552913],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005390043,"threshold_uncertainty_score":0.01071733,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07354475375691881,"score_gpt":0.2556346817009197,"score_spread":0.1820899279440009,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}