{"id":"W2160903256","doi":"10.4141/cjps2012-107","title":"An economic study of controlled release urea and split applications of nitrogen as compared with non-coated urea under conventional and reduced tillage management","year":2013,"lang":"en","type":"article","venue":"Canadian Journal of Plant Science","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":22,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Association of Friendship Centres; Lethbridge College; Agriculture Food and Rural Development; Agriculture and Agri-Food Canada","funders":"Agriculture and Agri-Food Canada","keywords":"Cru; Tillage; Urea; Yield (engineering); Net income; Canola; Crop; Conventional tillage; Agronomy; Crop yield; Chemistry; Agricultural science; Mathematics; Environmental science; Business; Biology; Materials science; Finance","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"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":[0.0007369375,0.0002565726,0.0004349381,0.0004204309,0.0002287868,0.0004727983,0.0004982292,0.0002506139,0.0007028319],"category_scores_gemma":[0.0007955855,0.0001362147,0.0005571215,0.0004963876,0.0002464158,0.0004635281,0.0001711391,0.0002903972,0.00007623911],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002380634,"about_ca_system_score_gemma":0.0006161615,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01286471,"about_ca_topic_score_gemma":0.02177041,"domain_scores_codex":[0.9995957,0.00007436556,0.00003062695,0.00006421005,0.0001874508,0.00004769838],"domain_scores_gemma":[0.9990189,0.000318456,0.0003097528,0.00003349965,0.0002303319,0.00008900519],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.03624827,0.01168325,0.07281445,0.003059509,0.0009485453,0.001132046,0.0005680814,0.01118293,0.744059,0.001062178,0.0006981289,0.1165436],"study_design_scores_gemma":[0.000602034,0.1457168,0.6205678,0.0001024117,0.001003706,0.0005302075,0.001073834,0.01555915,0.2075733,0.0002596557,0.006854269,0.0001568009],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988864,0.0004848653,0.0001543549,0.00001203754,0.00000741112,0.00004298476,0.00009764592,0.000001181823,0.0003131157],"genre_scores_gemma":[0.9973614,0.000738136,0.0006343693,0.00001329588,0.000007077028,0.00004396966,0.000175266,0.00000291751,0.001023398],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01286471,"threshold_uncertainty_score":0.02557963,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009483487015086898,"score_gpt":0.2060193830605118,"score_spread":0.1965358960454249,"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."}}