{"id":"W3100712690","doi":"10.1002/agj2.20521","title":"Delta yield–based optimal nitrogen rate estimates for corn are often economically sound","year":2020,"lang":"en","type":"article","venue":"Agronomy Journal","topic":"Crop Yield and Soil Fertility","field":"Agricultural and Biological Sciences","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph","funders":"Canada First Research Excellence Fund","keywords":"Yield (engineering); Mathematics; Zea mays; Nitrogen fertilizer; Fertilizer; Agronomy; Physics; Biology","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"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":[0.004960007,0.0004303427,0.0005144694,0.0009426725,0.0002195404,0.0008506601,0.000566816,0.0003375909,0.0008486968],"category_scores_gemma":[0.01361574,0.0002286091,0.0002899059,0.001005952,0.0003854564,0.0007991696,0.0004671873,0.0004371623,0.0003001198],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001822441,"about_ca_system_score_gemma":0.000752171,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04110693,"about_ca_topic_score_gemma":0.06676366,"domain_scores_codex":[0.9983914,0.0004822477,0.000168746,0.0003569978,0.0005186108,0.00008198402],"domain_scores_gemma":[0.9933438,0.00315577,0.001658765,0.0005830687,0.001203891,0.00005456098],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007514375,0.00007904039,0.7224362,0.0003345784,0.0002921862,0.0001108763,0.0001829696,0.1632415,0.01540279,0.002268159,0.002515695,0.09238464],"study_design_scores_gemma":[0.00006225002,0.0002942237,0.6912948,0.0001898925,0.00009922009,0.0001728007,0.0004219141,0.262668,0.02772291,0.004167013,0.01282086,0.00008605927],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8970075,0.001370459,0.09113181,0.0001034552,0.00001581736,0.00009289388,0.003882533,0.000332838,0.006062701],"genre_scores_gemma":[0.9742259,0.0001986518,0.02235022,0.00004396811,0.000003235597,0.00005537815,0.002324801,0.00005222677,0.0007456213],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04110693,"threshold_uncertainty_score":0.08173531,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04856261596645411,"score_gpt":0.2284905814302375,"score_spread":0.1799279654637834,"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."}}