{"id":"W2094918742","doi":"10.4236/as.2011.23031","title":"Cropping frequency and N fertilizer effects on soil water distribution from spring to fall in the semiarid Canadian prairies","year":2011,"lang":"en","type":"article","venue":"Agricultural Sciences","topic":"Soil and Unsaturated Flow","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Agriculture and Agri-Food Canada","funders":"","keywords":"Chernozem; Agronomy; Environmental science; Summer fallow; Fertilizer; Soil water; Evapotranspiration; Water-use efficiency; Crop rotation; Water content; Precipitation; Crop; Irrigation; Cropping; Biology; Soil science; Geography; Agriculture; Ecology; Geology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"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":[0.0002347517,0.0002519928,0.0002766707,0.0006541531,0.001101269,0.0004622082,0.0006195874,0.000166328,0.000619883],"category_scores_gemma":[0.0006344299,0.0002686726,0.0001962114,0.0009399407,0.0007060283,0.0001841847,0.000359294,0.0002937778,0.0001019084],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.006198022,"about_ca_system_score_gemma":0.004235127,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9218866,"about_ca_topic_score_gemma":0.9786807,"domain_scores_codex":[0.9997122,0.00002371564,0.00001396903,0.00008087109,0.00008671131,0.00008248666],"domain_scores_gemma":[0.9992818,0.00009088035,0.0001587842,0.00003387124,0.0002282486,0.0002063548],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001646198,0.0002650687,0.8302426,0.0001134898,0.0002209597,0.0003805505,0.002284439,0.0007917504,0.1391571,0.000130139,0.0006615716,0.0241061],"study_design_scores_gemma":[0.000004321999,0.00004437497,0.9990649,0.000001667141,0.000006844631,0.00001459025,0.0001904932,0.00008600861,0.0003496007,0.000005472009,0.0002273643,0.000004546312],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9994382,0.00008187227,0.00002939803,0.00001491153,0.000001111731,0.000005081468,0.0001624697,0.000003884762,0.0002630648],"genre_scores_gemma":[0.9982855,0.0001515638,0.000196763,0.00003483728,0.000001130834,0.000009311801,0.0004918561,0.000004123835,0.0008249556],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07811338,"threshold_uncertainty_score":0.1571468,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01163676128374678,"score_gpt":0.1774440685184956,"score_spread":0.1658073072347488,"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."}}