{"id":"W2139353997","doi":"10.5539/jas.v4n10p12","title":"Yield Performance of Popcorn (Zea mays L. everta) under Lime and Nitrogen Fertilization on an Acid Soil","year":2012,"lang":"en","type":"article","venue":"Journal of Agricultural Science","topic":"Crop Yield and Soil Fertility","field":"Agricultural and Biological Sciences","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Lime; Yield (engineering); Sowing; Human fertilization; Nitrogen; Field experiment; Animal science; Agronomy; Amendment; Crop; Mathematics; Soil pH; Horticulture; Soil water; Chemistry; Biology; Ecology; Materials science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.0002856998,0.0003223855,0.0004277966,0.0001869115,0.000307441,0.0003143534,0.000253982,0.000260278,0.0004877828],"category_scores_gemma":[0.0002323556,0.0002217811,0.000230226,0.0002081852,0.0001927282,0.0002885322,0.0002607728,0.0003068021,0.0001262142],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000586868,"about_ca_system_score_gemma":0.0003281163,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005306604,"about_ca_topic_score_gemma":0.01320877,"domain_scores_codex":[0.999881,0.00002018219,0.00001146012,0.00003853737,0.00002727642,0.00002148961],"domain_scores_gemma":[0.9997154,0.00005862513,0.00007033285,0.00001941464,0.00005049851,0.00008565741],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001814413,0.000312639,0.009426319,0.0001204364,0.00003527612,0.0002299491,0.0001665161,0.0002954786,0.9849837,0.00004125766,0.0000277188,0.002546365],"study_design_scores_gemma":[0.0001738175,0.02243163,0.4417632,0.0000275819,0.0001875945,0.0004582356,0.0008409375,0.002213055,0.5289934,0.0001654779,0.002684733,0.00006037037],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9997047,0.00005299546,0.00004565223,0.00000726559,0.000002402978,0.000005706635,0.00004880997,0.000002610237,0.0001298474],"genre_scores_gemma":[0.9980963,0.0001491989,0.0003852363,0.00003403574,0.000002533779,0.00001715549,0.0002137909,0.000004413354,0.001097418],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005306604,"threshold_uncertainty_score":0.01055145,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02891350708364705,"score_gpt":0.2300430079867374,"score_spread":0.2011295009030904,"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."}}