{"id":"W2804455395","doi":"10.2136/sssaj2003.3090","title":"Nitrogen Retranslocation Response of Young <i>Picea mariana</i> to Nitrogen‐15 Supply","year":2003,"lang":"en","type":"article","venue":"Soil Science Society of America Journal","topic":"Seedling growth and survival studies","field":"Environmental Science","cited_by":83,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Nutrient; Black spruce; Fertilizer; Growing season; Nitrogen; Agronomy; Shoot; Soil water; Biomass (ecology); Human fertilization; Botany; Environmental science; Biology; Chemistry; Ecology; Taiga","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003034762,0.0001552141,0.0002674519,0.00005998177,0.0006333123,0.00004366044,0.0005701516,0.00004912568,0.0003711389],"category_scores_gemma":[0.0004918631,0.0001362028,0.0002499168,0.001843921,0.001842886,0.0003400944,0.0001024015,0.0002122102,0.00005180233],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002300588,"about_ca_system_score_gemma":0.0002107387,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005941816,"about_ca_topic_score_gemma":0.00001849141,"domain_scores_codex":[0.9973535,0.0001664085,0.000438503,0.0003102446,0.001200775,0.0005305776],"domain_scores_gemma":[0.9989177,0.0001212159,0.000281188,0.0002410094,0.0001198453,0.0003190298],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001781775,0.0001170678,0.658673,0.000008877102,0.00004135949,0.000001869161,0.00826766,0.001261723,0.3200352,0.00002340677,0.006431751,0.004959858],"study_design_scores_gemma":[0.001925958,0.001916571,0.5375168,0.0001302029,0.0001466516,0.000291064,0.03967837,0.001588788,0.3885578,0.008746545,0.01828152,0.001219762],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9919025,0.0001511546,0.003496709,0.0009959866,0.0002118363,0.000119174,0.000006806596,0.00001283483,0.003103041],"genre_scores_gemma":[0.9774393,0.0001727964,0.02162178,0.0006548096,0.00002751561,0.000003384484,3.780149e-7,0.000009738526,0.00007024002],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1211562,"threshold_uncertainty_score":0.6790192,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008545970636465856,"score_gpt":0.2292340980408641,"score_spread":0.2206881274043982,"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."}}