{"id":"W2047264483","doi":"10.1139/x10-208","title":"Long-term effects of nitrogen fertilization on soil chemistry in three Scots pine stands in Sweden","year":2011,"lang":"en","type":"article","venue":"Canadian Journal of Forest Research","topic":"Peatlands and Wetlands Ecology","field":"Environmental Science","cited_by":28,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Svenska Forskningsrådet Formas; Stiftelsen för Miljöstrategisk Forskning","keywords":"Scots pine; Nitrogen; Soil water; Chemistry; Nutrient; Soil acidification; Phosphorus; Soil horizon; Human fertilization; Agronomy; Environmental chemistry; Environmental science; Soil pH; Botany; Pinus <genus>; Soil science; Biology","routes":{"ca_aff":false,"ca_fund":false,"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":[0.0004456486,0.0004382414,0.000461285,0.0005037683,0.0008831106,0.0006035946,0.0003584481,0.0003701866,0.0002240136],"category_scores_gemma":[0.000398974,0.0002185357,0.0004664377,0.0003407882,0.0006707145,0.0002323215,0.000442758,0.0002697002,0.00009732548],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001745838,"about_ca_system_score_gemma":0.001014788,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.05251903,"about_ca_topic_score_gemma":0.1289479,"domain_scores_codex":[0.999743,0.00004567493,0.00002832748,0.0000606694,0.00005868409,0.00006357783],"domain_scores_gemma":[0.9994451,0.0001136925,0.0001077196,0.00003302376,0.0001144487,0.000185922],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.005637944,0.001770632,0.7472867,0.0001933045,0.0003618133,0.002135816,0.002602155,0.001953684,0.2250274,0.00008109886,0.0001521626,0.01279722],"study_design_scores_gemma":[0.00003012907,0.0006807855,0.9921392,0.000004666069,0.00005556692,0.0001234087,0.0005532562,0.0004451068,0.005732982,0.00002554159,0.0001944781,0.00001503932],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9998807,0.0000254402,0.00001686204,0.000001827446,8.286075e-7,0.000002914479,0.00002101229,0.00000133616,0.00004908157],"genre_scores_gemma":[0.9994088,0.00006189635,0.0001433508,0.000009102544,0.000001708594,0.00001050999,0.0001896561,0.000001737264,0.0001732432],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05251903,"threshold_uncertainty_score":0.1044267,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03813912377559407,"score_gpt":0.2851768338551999,"score_spread":0.2470377100796058,"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."}}