{"id":"W2184857517","doi":"","title":"Rate of Return to the Research and Development Expenditure on Zero Tillage Technology Development in Western Canada (1960-2010)","year":2012,"lang":"en","type":"article","venue":"","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Economics; Agricultural economics; Natural resource economics; Business","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0007237483,0.0003510711,0.0003341288,0.002981147,0.0009052145,0.001637774,0.0008112859,0.000850178,0.004640013],"category_scores_gemma":[0.004266204,0.0002444187,0.0008191312,0.005678682,0.000614882,0.000459002,0.0009333209,0.001177032,0.000837979],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03223467,"about_ca_system_score_gemma":0.05472233,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9891381,"about_ca_topic_score_gemma":0.9887889,"domain_scores_codex":[0.9988405,0.00005701858,0.00008396636,0.0001013483,0.0004805697,0.00043659],"domain_scores_gemma":[0.9947203,0.0002361162,0.001147923,0.00009330888,0.002986976,0.0008152151],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008048181,0.00009723484,0.8628435,0.0006206987,0.000332611,0.0009234451,0.001150131,0.003938156,0.001829564,0.00526799,0.03620579,0.08598611],"study_design_scores_gemma":[0.00001187131,0.00002532788,0.9744701,0.00008467617,0.00005003289,0.0002732541,0.0005568048,0.0008207068,0.0004754063,0.00008802476,0.02312244,0.00002135993],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8965593,0.007106063,0.000552121,0.004698851,0.0001801001,0.0000656503,0.06651773,0.0002615627,0.02405865],"genre_scores_gemma":[0.9206804,0.008496272,0.0006586944,0.0007291332,0.00006706855,0.00004276309,0.02259894,0.00005139039,0.04667543],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03223467,"threshold_uncertainty_score":0.23388,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0501920272132524,"score_gpt":0.2634244776589588,"score_spread":0.2132324504457064,"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."}}