[{"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":6,"relationship_count":1,"history_event_count":0,"sample_snippets":["Included in the selected 11 commonly grown cherry-plum varieties used to show intercompatibility.","Pollen abundance is medium.","Season of bloom is medium.","Rated fair as a pollinizer in tests on 5 varieties."]},{"source_document_id":104,"title":"Northern novelties for 1921 : some new fruits, ornamentals, etc.","url":"https://archive.org/download/CAT31306465/CAT31306465.pdf","rights_status":"unknown","evidence_claim_count":4,"relationship_count":0,"history_event_count":0,"sample_snippets":["Listed as available one-year budded on sand cherry stocks.","The sand cherry hybrids should not be trimmed up with a high stem as some practice with ordinary plums.","Should be kept in bush form with many stems close to the ground.","Wachampa is treated here as one of the sand cherry hybrid plums."]}]