[{"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":42,"relationship_count":0,"history_event_count":0,"sample_snippets":["Norby reported it ripens about with the Mankato, August 15-25, in 1904.","Norby said it is hard to propagate and will probably be dropped from the list.","Norby said it had been a profitable variety with him, although it rots quite badly.","Norby said it seems to give good satisfaction for canning."]},{"source_document_id":112,"title":"Pollination Studies with Stone Fruits","url":"https://sherwoods-forests.com/Downloads/UMinnAgExpStation-Stone_Fruit-Pollenation.pdf","rights_status":"unknown","evidence_claim_count":4,"relationship_count":0,"history_event_count":0,"sample_snippets":["Species/background listed as P. americana.","Bloom season: late.","Pollinated 12 varieties tested.","Rated as a good pollinizer in Table 3."]}]