{"id":"W1977375298","doi":"10.4141/cjss09006","title":"Monthly ammonia emissions from fertilizers in 12 Canadian Ecoregions","year":2010,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil and Water Nutrient Dynamics","field":"Environmental Science","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Fertilizer; Volatilisation; Environmental science; Ammonia; Agriculture; Ammonia volatilization from urea; Pollutant; Nitrogen; Urea; Atmosphere (unit); Nitrogen fertilizer; Air pollution; Environmental chemistry; Atmospheric sciences; Agronomy; Chemistry; Meteorology; Geography","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001634857,0.0003717165,0.0002323102,0.0005127669,0.0009724619,0.000697786,0.0007040483,0.0003906161,0.0008972368],"category_scores_gemma":[0.0004824138,0.000254241,0.0004657145,0.0009586717,0.0003642005,0.0002203526,0.0002652842,0.0002107908,0.00009786386],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01851658,"about_ca_system_score_gemma":0.007793427,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9939265,"about_ca_topic_score_gemma":0.9955213,"domain_scores_codex":[0.9998794,0.00000854674,0.00000443,0.00003013869,0.00003230546,0.00004528229],"domain_scores_gemma":[0.999828,0.00002169804,0.00001941959,0.000006087796,0.00009265008,0.00003222426],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004824314,0.0001076782,0.829917,0.000114135,0.0002512481,0.0003849323,0.0004570789,0.1402545,0.005685443,0.0005631929,0.004350557,0.01743177],"study_design_scores_gemma":[0.00004089298,0.00004568739,0.8728982,0.00001741763,0.00006798409,0.00005708915,0.0006039055,0.1217932,0.001162221,0.0001147599,0.003151367,0.00004722275],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9952018,0.0001053607,0.0002385282,0.00006688193,0.000003767327,0.00001490311,0.002886346,0.00004124211,0.00144114],"genre_scores_gemma":[0.9959748,0.0001237298,0.0004407947,0.00001615836,0.000001294498,0.000008742725,0.002347659,0.000009172063,0.001077623],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01851658,"threshold_uncertainty_score":0.1343479,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007908180481321124,"score_gpt":0.1934929496511776,"score_spread":0.1855847691698564,"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."}}