[{"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":10,"relationship_count":8,"history_event_count":0,"sample_snippets":["Convoy is rated good as a pollinizer for Oka in Table 14.","Sapa is rated good as a pollinizer for Oka in Table 14.","Opata is rated good as a pollinizer for Oka in Table 14.","Listed as the cherry-plum cultivar in row 2 of the recommended orchard arrangement."]},{"source_document_id":105,"title":"Hardy fruits for Northern planting, trees, shrubs, 1937","url":"https://archive.org/download/CAT31349771/CAT31349771.pdf","rights_status":"unknown","evidence_claim_count":11,"relationship_count":0,"history_event_count":0,"sample_snippets":["A page figure is captioned 'Oka Cherries.'","The text says Oka is gaining favor rapidly and pleasing all who plant it.","Compass pollinizer should be included with Oka plantings for best results.","Produces fruit buds the second season and fruits regularly."]},{"source_document_id":2,"title":"South Dakota Fruit Garden (visual sample pages 9-11)","url":"file:///usr/local/var/www/pomologica/data/raw/manual/benchmarks/sd_fruit_garden_1943_pages_10_12.pdf","rights_status":"public_domain","evidence_claim_count":6,"relationship_count":0,"history_event_count":0,"sample_snippets":["merged across zone columns","For all zones","other","HANSEN PLUMS FOR ALL ZONES"]}]