{"id":"W2988826878","doi":"10.1017/s1742170519000383","title":"Increased nitrogen retention by cover crops: implications of planting date on soil and plant nitrogen dynamics","year":2019,"lang":"en","type":"article","venue":"Renewable Agriculture and Food Systems","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph","funders":"","keywords":"Cover crop; Agronomy; Sowing; Crop; Environmental science; Temperate climate; Crop yield; Biology; Botany","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.0002643979,0.0003827956,0.0003799358,0.0002554683,0.0002371149,0.000332256,0.0002973081,0.0002974306,0.0009432799],"category_scores_gemma":[0.0002907693,0.0001816765,0.0002147556,0.000202561,0.0002974042,0.0004464928,0.0002621446,0.0003637329,0.00009513408],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001026856,"about_ca_system_score_gemma":0.0003945871,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006848544,"about_ca_topic_score_gemma":0.01208961,"domain_scores_codex":[0.9998584,0.00002118169,0.00000871649,0.00005194473,0.00002650131,0.00003335431],"domain_scores_gemma":[0.9994115,0.000136515,0.0001559178,0.00002937395,0.00006707375,0.0001996537],"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":[0.003843267,0.0002785077,0.04014478,0.0001412304,0.00008104719,0.0001427632,0.00008004325,0.0004496286,0.9498984,0.00004874163,0.00006583513,0.004825789],"study_design_scores_gemma":[0.00004734409,0.003094604,0.9289348,0.00001365657,0.00005513043,0.0001155822,0.0001614613,0.002689557,0.06400964,0.00008640937,0.0007752215,0.00001660416],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9994457,0.0001636283,0.00008503964,0.0000100659,0.00000397197,0.000007377729,0.0001015485,0.000003613097,0.0001790879],"genre_scores_gemma":[0.9988315,0.0001293584,0.000241836,0.00003599419,0.000004649559,0.00001968215,0.0003040512,0.000004671649,0.0004283398],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006848544,"threshold_uncertainty_score":0.01361734,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01027348372439081,"score_gpt":0.1835050231710446,"score_spread":0.1732315394466538,"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."}}