{"id":"W2734872282","doi":"10.2134/agronj2016.09.0511","title":"Variability in Corn Yield Response to Nitrogen Fertilizer in Eastern Canada","year":2017,"lang":"en","type":"article","venue":"Agronomy Journal","topic":"Crop Yield and Soil Fertility","field":"Agricultural and Biological Sciences","cited_by":33,"is_retracted":false,"has_abstract":true,"ca_institutions":"Cegep de Saint Hyacinthe","funders":"","keywords":"Sowing; Agronomy; Yield (engineering); Nitrogen; Grain yield; Fertilizer; Soil texture; Field experiment; Biology; Soil water; Ecology; Chemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001588034,0.0001061872,0.0001787129,0.00001275405,0.0002824352,0.0001780788,0.0004697717,0.00006174712,0.000572151],"category_scores_gemma":[0.0008136273,0.00004464604,0.00005405214,0.00006705274,0.00003186607,0.0001599375,0.0001160499,0.0002733438,0.00001076063],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001906098,"about_ca_system_score_gemma":0.0001312262,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.3768271,"about_ca_topic_score_gemma":0.9098259,"domain_scores_codex":[0.9987884,0.0002239066,0.0002966803,0.0002138252,0.0001567283,0.0003205264],"domain_scores_gemma":[0.9991735,0.0003680735,0.00008709928,0.0001291128,0.00004296965,0.0001992136],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005964839,0.00004357354,0.9714669,9.179373e-7,0.000002828415,0.00004818867,0.00008297366,0.000003164393,0.002639179,0.000003516828,0.0003131013,0.02479916],"study_design_scores_gemma":[0.0001484536,0.00004609523,0.9943368,0.00002734718,0.000001545523,0.00001130151,0.0001701534,0.00002237712,0.0002551937,0.0005973408,0.004274826,0.0001085766],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9921561,0.0000194972,0.000002321148,0.00631842,0.0001660798,0.0001156479,0.000007000488,0.000004389874,0.001210513],"genre_scores_gemma":[0.9993447,0.000001961977,0.00002045977,0.0003208484,0.0001054609,0.000005558737,8.984739e-7,5.346943e-7,0.0001995733],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5329988,"threshold_uncertainty_score":0.6273227,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02896221040745489,"score_gpt":0.2354437633460386,"score_spread":0.2064815529385837,"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."}}