High density orchards are an increasingly common feature of the cider apple landscape. A number of universities with fruit tree programs offer a wealth of resources on this topic, below are a few we have found helpful:
- Penn State University's Apple Orchard System Blueprint: https://extension.psu.edu/the-apple-orchard-system-blueprint?j=184792&sfmc_sub=25422242&l=159_HTML&u=3612500&mid=7234940&jb=2
- Virginia Tech Extension's Commercial Tree Fruit page: https://ext.vt.edu/agriculture/commercial-horticulture/tree-fruit.html and Economic Feasibility study: http://pubs.ext.vt.edu/AREC/AREC-46/AREC-46.html
- NC State Extension's page on High Density Apple Orchard Management: https://content.ces.ncsu.edu/high-density-apple-orchard-management
