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  • ไทย
  • Home
  • About Us
  • Performance
    • Magic of Biochar
    • Testimonials
  • Products
  • Buy Now
    • Briquettes
    • Potting Soil
    • Longan Biochar
    • Corncob Biochar
    • SuperDirt! Rice Formula
    • SuperDirt! Corn Formula
    • Bamboo Biochar
  • Contact Us
  • ไทย

Performance

Rak Din products have been scientifically tested for years at the Warm Heart Experimental Farm and by real farmers in their own fields. No matter where tested, Rak Din always produced yields equal to or better than synthetic fertilizer. Rak Din also produced important improvements in soil quality and plant health never observed in the synthetic fertilizer plots.

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Warm Heart Experimental Farm
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Rice without Rak Din
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Rice with Rak Din
Summary of results
  • Yields: Over three years, tests of Rak Din v. synthetic fertilizer conducted at the Warm Heart Experimental Farm showed identical yields. Tests in farmers’ fields, however, showed an average 10.8% higher yield from Rak Din than from synthetic fertilizers. 
  • Soil improvement: Farmers unanimously report that Rak Din restored their soil and repaired the damage done by synthetic fertilizers. They report that their soil became softer and blacker, and that worms and other visible indicators of soil life reappeared. Before and after scientific soil tests confirm the farmers observations. 
  • Plant health: Farmers unanimously report that crops treated with Rak Din are healthier than those fertilized with synthetic fertilizers and hormones. They report even germination across their fields, fuller, bushier plants and dark green not yellowish leaves. (See video.)

Test Data

   Experimental Farm
​Field Tests, 2016, 3 Sub-Districts
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Rak Din Team Meets with World Experts, Trains Officials

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Dr. Shafer at 2nd International Biochar Conference in China
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Dr. Shafer studies the chemistry of biochar
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Dr. Shafer exploring the hands-on science of biochar
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Dr. Shafer’s audience in Chengdu, China
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Dr. Shafer with fellow speakers in Chengdu, China
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Dr. Shafer with the production team at Seek Fertilizer, a leading, global producer of biochar-based products
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Dr. Shafer leading a study tour at the Warm Heart Experimental Farm
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Biochar briefing for CP Agricultural Products Co. (Thailand), Ltd
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Dr. Shafer briefing the Chiang Mai Deputy Governor about biochar
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Community biochar and biochar soil amendment training at Warm Heart
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Biochar production training in MoJiang, Yunnan, China

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