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Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Make an appointment, before coming into the office.

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax
jo@listserv.ksu.edu

Map to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.


Research to Support Apple Orchards

September marks the beginning of fall and apple harvest season for local orchards. When you think of apples you may not immediately think of the Central Midwest, let alone Kansas. But despite obstacles (e.g. extreme weather, pests/disease, and farm consolidation)commercial orchards have been active in the Sunflower State for more than 150 years. Check out K-States Growing an Orchard report from 1950 for more historical context: https://www.ksre.k-state.edu/historicpublications/pubs/SB337.pdfAnd over the last recent decades, commercial orchards across the globe and regionally have shifted away from the characteristic grove-style planting with large freestanding trees that could be spaced anywhere from 10-20 ft apart with 100+ trees/acre. Orchards today are moving to a high-density system that uses dwarfing rootstocks to grow smaller trees, spaced 2-4 ft apart, pruned to a spindle shape and supported by trellis squeezing over 1,000+ trees/acre. These high-density orchards require a significant upfront investment to establish but they can facilitate the efficiency of orchard maintenance and labor, produce larger yields per acre, and generate a much higher return on investment.