[{"source_document_id":17,"title":"Plums in South Dakota","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1092&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":23,"relationship_count":0,"history_event_count":0,"sample_snippets":["The Prunus nigra class, including Aitkin, is said to have little or no value for this particular section.","Aitkin is placed in the Prunus nigra class of plums.","Norby compared its season to Odegard and Compass Cherry.","Norby concluded it was too subject to pockets and scab to be of value there."]},{"source_document_id":14,"title":"A Study of Northwestern Apples","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1075&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":1,"relationship_count":0,"history_event_count":0,"sample_snippets":["Listed as for-trial in districts 2, 3, 4, 5, 6, 8, 9, 10, 11, and 12 in the PLUMS section."]}]