Office Hours

May 10, 2026 ·9 questions answered

Cam Yeast In Pineapple Vinegar, Thrips On Potted Plants

• 11:45 Cam yeast is forming on my pineapple vinegar — is that natural in KNF fermentation?
• 20:48 My potted plants have thrips — should I make a microbial pesticide with JMS and potassium hydroxide?
• 25:03 Can you put out recordings of the Sunday live event for people who miss it?
• + 6 more

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Apr 19, 2026 ·9 questions answered

LAB Preservation, Acidic Soil pH, and BMW Crystal Brewers

• 16:02 What ways are there to preserve LAB to prevent it from going to vinegar?
• 22:59 What KNF solutions help raise pH in acidic tropical soils?
• 31:35 Can unsaturated LAB last a month in the fridge?
• + 6 more

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Apr 13, 2026 ·10 questions answered

Lactobacillus For Corpses, Contaminated Water, Rotational Grazing

• 15:49 How do I become a KNF Foundation member or fix my membership?
• 17:15 After a flood or fire, how do you deal with thousands of animal corpses?
• 20:38 Are air-operated double diaphragm pumps worth using for spraying?
• + 7 more

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Apr 6, 2026

KNF Podcast: LIVE - 05 April 2026

Live office hours with Dr Drake to get answers to Korean Natural Farming questions. knfsupport.com

Mar 30, 2026 ·10 questions answered

Seawater Microbe Dilution, Kombucha Uses, Composting Hair

• 8:03 How much seawater can replace sea salt in the disgustingly cheap microbes recipe?
• 34:19 What makes vinegar useful beyond just cleaning?
• 35:05 Is there a way to borrow Master Cho's old books?
• + 7 more

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Mar 22, 2026 ·7 questions answered

IMO 3 Rice & Soil Tips, Compost Pile Turning Tools

• 15:00 What rice should you use for IMO 3, white or brown?
• 15:36 Is the leaf litter and soil mix right for IMO 3?
• 16:10 How full should the IMO 3 basket be, and does it need a cover?
• + 4 more

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Mar 16, 2026 ·10 questions answered

No-Smell Piggeries, Static Floors, and Pile Poopology

• 4:17 What did Drake see visiting three piggeries with Purdue Farms during the storm?
• 4:58 How does Purdue's current bedding system compare to KNF static floors?
• 5:38 Why does a static floor pig pen need more space per pig?
• + 7 more

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Mar 9, 2026 ·6 questions answered

Mixing FPJs Before Use, 2018 Korea Training Trip Replay

• 7:16 Can you mix two fermented plant juices together before using them?
• 14:02 What footage does Drake pull up from the Korea trip?
• 18:58 Kui Ke Kamake introduces herself
• + 3 more

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Mar 2, 2026 ·8 questions answered

On-Farm Slaughter Rules, Dusty Soil Cover Crops, OHN Storage

• 5:36 Exploring GPS electronic collars instead of rebuilding fence
• 15:35 Can farmers get approved for on-farm slaughter to sell meat commercially?
• 17:06 How do you fix dusty, low-fertility soil?
• + 5 more

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Feb 22, 2026 ·12 questions answered

IMO Leaf Humus Collection, Rice Hay, Seed Soak Solution

• 8:06 What's Drake's take on the county's 5-year agriculture strategic plan?
• 10:09 Can drones fight coconut rhinoceros beetle faster than the county can respond?
• 13:18 How does KNF give farms real biosecurity against pests?
• + 9 more

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Feb 15, 2026 ·13 questions answered

Weak Cleanser Fixes, Rhino Beetle Grubs, Drone Spray Altitude

• 6:52 How do you gauge a new class's enthusiasm and ability to absorb KNF material?
• 18:21 What's the plan and timeline for Mark's new Santa Cruz KNF classes?
• 22:41 What's a good first solution to teach kids?
• + 10 more

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Feb 8, 2026 ·11 questions answered

Hydrophobic Soil, KOH Soap, Chick Feeding Schedule

• 6:06 How do you keep a chicken coop from smelling and staying dusty?
• 12:29 What's the pitch to Hawaiʻi County for using the drone on ag pests?
• 22:31 What natural plants work as a surfactant for hydrophobic soil in Hawaiʻi?
• + 8 more

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Feb 1, 2026 ·12 questions answered

LAB Troubleshooting, Pruning Fruit Trees, IMO Soil Mix

• 12:16 LAB batch wasn't strained — did forgetting to strain the curds ruin it?
• 28:30 Why didn't the bones char hot enough for a structure input?
• 36:58 What should wet a batch of soil blocks — seed soak or LAB?
• + 9 more

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Jan 25, 2026

KNF Podcast: LIVE - 25 January 2026

Jan 11, 2026 ·9 questions answered

Colorado Potato Beetle IPM, OHN for Digestion, Free RTK GPS

• 7:28 What's happening with today's monthly membership meeting?
• 9:45 Where's the Hilo potluck and what will it cover?
• 11:49 How do you handle Colorado potato beetle?
• + 6 more

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Jan 4, 2026 ·9 questions answered

IMO Smell Test, PIMO vs AIMO, Drone Spraying for Pig Feed

• 5:34 What's Drake's Korean natural farming goal for 2026?
• 7:45 What committees does the Pure KNF Foundation have?
• 12:50 Why is Hawaii's pork industry struggling?
• + 6 more

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Dec 28, 2025

KNF Podcast: LIVE - 28 December 2025

Dec 21, 2025 ·8 questions answered

Ray Yoon, Muju Apple Farm, Natural Farming Principles

• 7:21 Why start a KNF workshop day with Tai Chi?
• 8:54 Is a daily Tai Chi habit worth keeping?
• 9:39 Any plans to return to Korea?
• + 5 more

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Dec 14, 2025 ·14 questions answered

Whitefly Soap Spray, Lemongrass in Pots, Bone Char Calcium

• 5:19 What happened at the Hilo membership meeting?
• 15:28 Tiny white flying insects, whiteflies or thrips, what do I spray?
• 16:59 How do you get rid of fleas on dogs?
• + 11 more

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Dec 7, 2025 ·12 questions answered

Chicken Feed Ratios, IMO Deep Litter, Rice Bran Sourcing

• 19:51 How much food should chicks get and when should the feeder run dry?
• 21:09 What's the basic KNF chicken feed ratio?
• 21:55 Do I need to inoculate my coop floor for a deep litter system?
• + 9 more

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