{"id":"W2065120312","doi":"10.4141/s02-079","title":"Relationship of soil phosphorus fractions to phosphorus soil tests and fertilizer response","year":2003,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil and Water Nutrient Dynamics","field":"Environmental Science","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"Agriculture Food and Rural Development","funders":"","keywords":"Fertilizer; Calcareous; Chemistry; Soil water; Phosphorus; Fractionation; Soil test; Extraction (chemistry); Alkali soil; Environmental chemistry; Agronomy; Soil science; Environmental science; Botany; Chromatography; Biology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"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":[0.0004238657,0.0003475827,0.0002577397,0.000474082,0.0001491646,0.0003552445,0.0003195608,0.0002750309,0.001009923],"category_scores_gemma":[0.001607692,0.0002458484,0.0001309386,0.0004510635,0.000346951,0.0002259248,0.0002174171,0.0002619624,0.0002099115],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009594763,"about_ca_system_score_gemma":0.0005301526,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04216825,"about_ca_topic_score_gemma":0.08417412,"domain_scores_codex":[0.9995876,0.00005292365,0.00002239945,0.0001221237,0.0001760708,0.00003886601],"domain_scores_gemma":[0.9984185,0.000806318,0.000323453,0.00008451392,0.0002592754,0.00010801],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001042461,0.0001082372,0.6032851,0.000140689,0.0002007221,0.0002791105,0.000186265,0.002492684,0.3721164,0.00006121019,0.0001504283,0.0199367],"study_design_scores_gemma":[0.000007027178,0.000242455,0.982781,0.000002440873,0.00001987654,0.0001062779,0.00005548164,0.000911653,0.01543777,0.00004222826,0.0003879543,0.000005805735],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9969361,0.0003262903,0.001651391,0.00001186671,0.00000217913,0.00002256067,0.000357889,0.00004342561,0.0006482602],"genre_scores_gemma":[0.9973395,0.0001240252,0.0008454931,0.00002830744,0.000001368575,0.00001788451,0.0006014141,0.00001240588,0.001029523],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04216825,"threshold_uncertainty_score":0.08384562,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01446704386186383,"score_gpt":0.2299720247943517,"score_spread":0.2155049809324878,"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."}}