{"id":"W2065153986","doi":"10.5539/jas.v4n9p209","title":"Biomass and Nutrient Accumulation of Cover Crops in the Crop Off-season in Cerrado, in Goiás State, Brazil","year":2012,"lang":"en","type":"article","venue":"Journal of Agricultural Science","topic":"Growth and nutrition in plants","field":"Agricultural and Biological Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Fundação Agrisus; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior","keywords":"Pennisetum; Cover crop; Agronomy; Sowing; Brachiaria; Biomass (ecology); Crop; Cajanus; Oxisol; Biology; Nutrient; Randomized block design; Growing season; Forage; Ecology; Soil water","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":[0.00017716,0.0003235472,0.0003506175,0.000658202,0.0003764745,0.0002876444,0.0002797428,0.0001735142,0.0005033404],"category_scores_gemma":[0.0002583449,0.000183389,0.0001740791,0.0004650251,0.0003342544,0.0002547719,0.0002809163,0.0001480972,0.00009605687],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00109782,"about_ca_system_score_gemma":0.0006455856,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04644162,"about_ca_topic_score_gemma":0.1735883,"domain_scores_codex":[0.9998595,0.00001388211,0.000007578444,0.00005070675,0.00002695233,0.00004143011],"domain_scores_gemma":[0.9997748,0.00003395993,0.00009015945,0.00001418913,0.00003925571,0.00004784434],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008935676,0.0003572856,0.6272485,0.0002978441,0.0001250613,0.001064315,0.003529095,0.0004783345,0.3403667,0.0002106407,0.0002131364,0.02521557],"study_design_scores_gemma":[0.000005142818,0.0002213433,0.996026,0.000007158874,0.0000142965,0.0001050095,0.0006662497,0.0001964134,0.001997364,0.00002037546,0.0007360519,0.000004606885],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9995091,0.00007809449,0.00002915246,0.000006533591,9.073567e-7,0.000005330071,0.00006385392,0.000002533282,0.0003044743],"genre_scores_gemma":[0.9991609,0.00009766697,0.0002193924,0.00001410022,0.000001423614,0.000008541397,0.0002061469,0.000003166348,0.0002886082],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04644162,"threshold_uncertainty_score":0.09234262,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03219095287812955,"score_gpt":0.278125949973273,"score_spread":0.2459349970951434,"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."}}