{"id":"W2083568565","doi":"10.4141/s99-107","title":"Cover crops and nitrogen fertilization effects on soil carbon and nitrogen and tomato yield","year":2000,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":57,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Vicia villosa; Cover crop; Secale; Agronomy; Loam; Legume; Chemistry; Nitrogen; Soil carbon; Red Clover; Biology; Soil water","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":[0.0001220192,0.0003144464,0.000209135,0.0002051766,0.0001453207,0.0002166674,0.0001586338,0.0001701548,0.0006800276],"category_scores_gemma":[0.0002735727,0.0001684992,0.0001688635,0.0001452871,0.0001683491,0.0002383873,0.0002425885,0.0001507253,0.0001057294],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007713253,"about_ca_system_score_gemma":0.0002271867,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007529279,"about_ca_topic_score_gemma":0.03544211,"domain_scores_codex":[0.999897,0.00001835745,0.000007032419,0.00002917034,0.00002618803,0.00002216451],"domain_scores_gemma":[0.9996474,0.00007819354,0.0001230361,0.00001836333,0.00004025596,0.00009279171],"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":[0.00102174,0.00010428,0.2010392,0.00009718677,0.000141776,0.0005130096,0.000128963,0.0005693218,0.7875313,0.0000478949,0.00009458705,0.008710885],"study_design_scores_gemma":[0.00000752523,0.00043168,0.9844051,0.000002802039,0.00002420165,0.00009274823,0.0000528598,0.0004998798,0.01407275,0.00002585149,0.0003797748,0.000004993669],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9995188,0.0001281092,0.00003346324,0.000005302162,0.000001022321,0.000002367714,0.00005781471,0.00000226498,0.0002507626],"genre_scores_gemma":[0.9989477,0.0001602607,0.0001511045,0.00001968005,0.0000019271,0.000005482116,0.0002494369,0.000003739491,0.000460759],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007529279,"threshold_uncertainty_score":0.0149709,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009340339892547879,"score_gpt":0.1919189895657772,"score_spread":0.1825786496732293,"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."}}