{"id":"W2129605626","doi":"10.4141/p05-242","title":"Effect of leaf nitrogen concentration versus CND nutritional balance on shoot density and foliage colour of an established Kentucky bluegrass (<i>Poa pratensis</i> L.) turf","year":2006,"lang":"en","type":"article","venue":"Canadian Journal of Plant Science","topic":"Turfgrass Adaptation and Management","field":"Environmental Science","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Agriculture and Agri-Food Canada; Royal Society","keywords":"Poa pratensis; Shoot; Nutrient; Loam; Growing season; Mathematics; Nitrogen; Field experiment; Randomized block design; Animal science; Botany; Horticulture; Agronomy; Biology; Chemistry; Poaceae; Statistics; Soil water; Ecology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003195532,0.0003059959,0.0003874043,0.000261906,0.0004205205,0.0004728607,0.0003980053,0.0003513893,0.0007730548],"category_scores_gemma":[0.0004709159,0.0002869498,0.0001480924,0.0001269065,0.000400462,0.0003579089,0.0003563937,0.0004853383,0.0001482996],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00150595,"about_ca_system_score_gemma":0.0004457599,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02647175,"about_ca_topic_score_gemma":0.06725486,"domain_scores_codex":[0.9997583,0.00004294427,0.00001989921,0.0001012709,0.0000369324,0.00004066254],"domain_scores_gemma":[0.9988905,0.0003001575,0.0002036603,0.00004671491,0.0001632711,0.000395789],"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":[0.003541239,0.0005315925,0.07618041,0.00006239783,0.00006672995,0.0001555889,0.0002262314,0.0002888266,0.9142049,0.00003938712,0.00009304407,0.004609615],"study_design_scores_gemma":[0.00006110041,0.002726214,0.9386818,0.000006689235,0.0000419381,0.00008426285,0.0002126099,0.00182326,0.05585244,0.00002867594,0.000465931,0.00001506502],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9997061,0.00004417259,0.00005606462,0.000007054483,0.000001417404,0.000005075976,0.00004052709,0.00000305139,0.0001364086],"genre_scores_gemma":[0.9986944,0.00003396907,0.0002722534,0.00004556288,0.000001803646,0.00001597961,0.0001641679,0.000005830926,0.0007661575],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02647175,"threshold_uncertainty_score":0.05263537,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005747924749479118,"score_gpt":0.2005322961306422,"score_spread":0.1947843713811631,"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."}}