Ku-Ring-Gai Orchid Society
Since 1947
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Bill Argo articles

Part 1 – Understanding plant nutrition secure

Part 2 – Water quality secure

Part 3 – Fertilizers secure

Part 4 – substrates secure

Part 5 – final secure

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    • 2019 St. Ives Orchid Fair Show at St. Ives Showground. 16th-18th AUGUST.
    • Benched Plants Gallery
    • Best Of The Evening Pictures 2016-19
    • Bill Argo articles
    • Calendar
    • Contact Us
    • Growing Information
    • Home
    • KOS. Shows
    • KOS.BenchingGuidelines
    • Links
    • Membership
    • Monthly Bulletins 2016- 2019
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