Last summer was cool, and so this year's Kishu mandarin crop is running late. Each time we pick, we first track down the sweetest trees by testing the fruit's sugar level with a refractometer. We demonstrate how to test for sugar levels in the field.

Personal note: Jim and Lisa both used to work for Jim's dad at Churchill Films, where we made fine quality classroom films for modest budgets and distributed them ourselves. Our little series of instructional films must be some kind of tribute to Our Founder Bob Churchill.

Visit our website at tangerineman.com

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