{"id":"W2162310952","doi":"10.5539/jas.v3n4p68","title":"A Diagnostic Study of Constraints to Achieving Yield Potentials of Cocoa (Theobroma cacao L.) Varieties and Farm Productivity in Nigeria","year":2011,"lang":"en","type":"article","venue":"Journal of Agricultural Science","topic":"Agriculture and Rural Development Research","field":"Agricultural and Biological Sciences","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Theobroma; Agricultural science; Productivity; Business; Sowing; Market access; Agriculture; Agroforestry; Geography; Biotechnology; Agronomy; Biology; Economics; Economic growth; Horticulture","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.002894282,0.0002842021,0.0002158471,0.001773508,0.001353447,0.001338055,0.0004030877,0.0003245367,0.001552606],"category_scores_gemma":[0.008111846,0.0002523241,0.0002382071,0.001737773,0.0008939728,0.001288927,0.001196214,0.0003250259,0.00004705786],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001958567,"about_ca_system_score_gemma":0.001934377,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006946522,"about_ca_topic_score_gemma":0.0165018,"domain_scores_codex":[0.9983554,0.0009516852,0.0001152342,0.0001267368,0.0002323467,0.000218642],"domain_scores_gemma":[0.9900672,0.007315658,0.001466537,0.0001472696,0.0006642012,0.0003390028],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003287601,0.0002817741,0.8812829,0.000700143,0.00005739666,0.002095191,0.06538364,0.002528292,0.005677124,0.005344338,0.0003849902,0.03593537],"study_design_scores_gemma":[0.00001752173,0.0006282056,0.6301255,0.0002447282,0.0000549754,0.0009462131,0.3519743,0.009144947,0.001857839,0.002022531,0.002942186,0.00004100101],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.996555,0.00005356874,0.0006733732,0.00009845632,0.000001391218,0.00004573137,0.00006992513,0.000002224623,0.002500386],"genre_scores_gemma":[0.9990051,0.00003569628,0.000782714,0.000004696286,4.175858e-7,0.0000234944,0.00003314107,5.066077e-7,0.0001141444],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006946522,"threshold_uncertainty_score":0.01530659,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02938650260541956,"score_gpt":0.2445048609470254,"score_spread":0.2151183583416059,"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."}}