{"id":"W2082770009","doi":"10.1002/jpln.200700091","title":"Plant‐available nitrogen in the soil: Relationships between pre‐plant and pre‐sidedress nitrate tests for corn production","year":2008,"lang":"en","type":"article","venue":"Journal of Plant Nutrition and Soil Science","topic":"Crop Yield and Soil Fertility","field":"Agricultural and Biological Sciences","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"Agriculture and Agri-Food Canada","funders":"","keywords":"Sowing; Agronomy; Nitrate; Fertilizer; Cropping system; Nutrient; Nitrogen; Soil water; Phosphorus; Chemistry; Environmental science; Crop; Soil science; Biology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001687146,0.00009155514,0.0001657111,0.00004514077,0.0007388073,0.0001020395,0.0001912466,0.00006392681,0.000005282666],"category_scores_gemma":[0.0002692856,0.00003540357,0.00003879568,0.0002936026,0.000255921,0.0004206992,0.00002221706,0.0002264824,7.653803e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001943929,"about_ca_system_score_gemma":0.00003805806,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001367302,"about_ca_topic_score_gemma":0.0008867678,"domain_scores_codex":[0.998878,0.0001062196,0.0003212059,0.0002036272,0.0002810131,0.0002099601],"domain_scores_gemma":[0.9991105,0.0004486706,0.0001775695,0.00004335247,0.0001162659,0.0001036888],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004414144,0.000354392,0.9444169,0.00006881586,0.00001003728,0.00002595584,0.001825201,0.0000103177,0.04626976,0.0001788154,0.004594606,0.001803821],"study_design_scores_gemma":[0.0003909735,0.000315663,0.9888797,0.0001327631,0.0000149844,0.0008128592,0.0006821626,0.0002455535,0.003377643,0.002810318,0.002217703,0.000119685],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976154,0.0003268303,0.000002472724,0.001438445,0.00008314059,0.0002686453,0.0001903661,0.000008118757,0.00006656214],"genre_scores_gemma":[0.9989869,0.0006093581,0.00004563923,0.00005705353,0.000230795,0.000009513562,0.00003218532,5.342181e-7,0.00002799542],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04446282,"threshold_uncertainty_score":0.5682383,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09071528702602948,"score_gpt":0.2569365931186631,"score_spread":0.1662213060926336,"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."}}