{"id":"W2135128766","doi":"10.4141/s00-036","title":"Spring wheat (<i>Triticum aestivum</i>) yield and grain protein responses to N fertilizer in topographically defined landscape positions","year":2001,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Agronomy; Fertilizer; Yield (engineering); Grain yield; Wheat grain; Spring (device); Agriculture; Environmental science; Soil water; Poaceae; Nitrogen fertilizer; Mathematics; Biology; Soil science; Ecology; Engineering","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007722968,0.0000952097,0.0001389493,0.0002142454,0.000268947,0.0001308173,0.000309921,0.00005330527,0.00004730669],"category_scores_gemma":[0.0006304153,0.0000466851,0.00004902042,0.001481313,0.0002375129,0.0002071999,0.00002556239,0.0001713371,0.000002868054],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006550799,"about_ca_system_score_gemma":0.0002532882,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.02280768,"about_ca_topic_score_gemma":0.5651485,"domain_scores_codex":[0.9988958,0.00003909017,0.0002317363,0.0001831052,0.0002325405,0.0004177613],"domain_scores_gemma":[0.9988089,0.00009266296,0.0000526671,0.00004712184,0.000158232,0.0008404563],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006275016,0.00001891413,0.8951142,0.000001814346,0.000002097633,0.000224484,0.000105404,0.00001525188,0.100063,0.0003431873,0.00003631092,0.004012536],"study_design_scores_gemma":[0.0001105925,0.0002725786,0.9971686,0.00009912378,0.000003903177,0.0002040295,0.0002142952,0.0001577719,0.0007330417,0.0005539056,0.0003596426,0.0001224959],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9927008,0.0002437829,0.000005215171,0.006327318,0.00008726124,0.0001057636,0.000007452241,0.00000634595,0.000516096],"genre_scores_gemma":[0.9990608,0.00001664693,0.0001770624,0.0006138619,0.00005001242,0.000003940449,3.263053e-7,8.999596e-7,0.00007647519],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5423408,"threshold_uncertainty_score":0.9836995,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01607343419756364,"score_gpt":0.2144978053711739,"score_spread":0.1984243711736103,"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."}}