{"id":"W2516413947","doi":"10.5539/jas.v8n10p92","title":"Evaluation of Spatial Variability of Soil Physico-Chemical Characteristics on Rhodic Ferralsol at the Syferkuil Experimental Farm of University of Limpopo, South Africa","year":2016,"lang":"en","type":"article","venue":"Journal of Agricultural Science","topic":"Soil and Land Suitability Analysis","field":"Environmental Science","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Subsoil; Soil water; Silt; Soil science; Total organic carbon; Spatial variability; Cation-exchange capacity; Bulk density; Chemistry; Hydrology (agriculture); Mineralogy; Environmental chemistry; Environmental science; Geology; Mathematics; Geomorphology; Geotechnical engineering","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":[0.0002656757,0.0001228967,0.0002253177,0.0008578381,0.0002612698,0.0003421933,0.0002182086,0.0001240516,0.0004402918],"category_scores_gemma":[0.0005664679,0.0001092383,0.000101476,0.0007476271,0.0003365178,0.0001492402,0.0003064332,0.00009489861,0.00009701433],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005473541,"about_ca_system_score_gemma":0.0002957475,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01753525,"about_ca_topic_score_gemma":0.04160003,"domain_scores_codex":[0.999773,0.00003333865,0.00001040261,0.00008743573,0.00005537269,0.00004053652],"domain_scores_gemma":[0.9995434,0.000121054,0.0001578016,0.00003047963,0.00009300441,0.00005421305],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003740643,0.0001268235,0.9129633,0.00004379313,0.00007315666,0.0004368051,0.001478076,0.0004420845,0.07308131,0.00006333797,0.0000604049,0.01085692],"study_design_scores_gemma":[0.000001652302,0.00007123697,0.9978052,0.000002297878,0.000006831816,0.00005215711,0.0003771664,0.0003146178,0.001227046,0.000005334306,0.0001339502,0.000002584752],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9998152,0.00001008613,0.00005108474,0.000001536417,1.730322e-7,0.000002631698,0.00004234977,0.000001079133,0.00007591017],"genre_scores_gemma":[0.9996494,0.00001531789,0.0001133791,0.00000150646,4.266976e-7,0.000005446068,0.00009207707,7.622792e-7,0.0001216709],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01753525,"threshold_uncertainty_score":0.03486633,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01998552882510989,"score_gpt":0.225959768502215,"score_spread":0.2059742396771051,"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."}}