{"id":"W1775627941","doi":"10.4141/cjss2012-095","title":"NH<sub>3</sub> volatilization, soil concentration and soil pH following subsurface banding of urea at increasing rates","year":2013,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":150,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada; Institut de Recherche et de Développement en Agroenvironnement; Agriculture and Agri-Food Canada","funders":"","keywords":"Urea; Volatilisation; Loam; Chemistry; Ammonia volatilization from urea; Ammonia; Ammonium; Nitrogen; Environmental chemistry; Animal science; Soil science; Soil water; Environmental science; Biochemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.0002662318,0.0002268674,0.0002542277,0.0001320617,0.0001319449,0.0003634459,0.0002274422,0.0004060291,0.0007369379],"category_scores_gemma":[0.0004339456,0.000197027,0.0002324411,0.0001648393,0.0001981967,0.0003957376,0.0001508846,0.0005306347,0.0001359109],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004418731,"about_ca_system_score_gemma":0.0002067351,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004800447,"about_ca_topic_score_gemma":0.006587628,"domain_scores_codex":[0.9998872,0.00001383051,0.000008036213,0.00003529429,0.00002573193,0.00002989255],"domain_scores_gemma":[0.9994828,0.0001455829,0.0001873147,0.00002620838,0.0001020422,0.00005617105],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.004161897,0.0002606386,0.01816003,0.00005807614,0.00004016527,0.00006886414,0.00007798791,0.000430039,0.9713421,0.00001777265,0.0001207705,0.005261574],"study_design_scores_gemma":[0.00008934984,0.01062074,0.4189674,0.0000193423,0.0001140621,0.000108116,0.0003434978,0.005411786,0.563061,0.0001134513,0.001115117,0.00003607148],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993457,0.00006847917,0.0002019336,0.0000106453,0.000004338314,0.00001057659,0.0001929098,0.000007607229,0.0001578831],"genre_scores_gemma":[0.9979982,0.0001035457,0.0005867728,0.00004588884,0.000004822233,0.00003089726,0.0003962061,0.000006202265,0.0008274534],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004800447,"threshold_uncertainty_score":0.009544969,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01138037080592377,"score_gpt":0.1995172786682207,"score_spread":0.1881369078622969,"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."}}