Soil series
Why Half of Your Fertilizer Never Feeds Your Crop
Why nutrient losses make fertilizer more expensive—and how biochar can help keep more nitrogen, phosphorus and other nutrients near crop roots.
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Field notes
The Journal
Plain explanations of the science behind what we do: biochar, carbon removal, and cleaner air, written for farmers, partners, and anyone breathing the haze.
8 field notes · newest first
Field trial
From Workshop to Farm: Rice Straw Biochar
A Nakhon Sawan pilot moves from farmer training to a one-rai field trial, with early gains in plant height and tiller development.
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Applications
Biochar Beyond the Field
The same material that improves a paddy also cleans a pig-farm pond and dries a poultry shed. One tonne of biochar, three jobs.
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Carbon markets
How the Data Center Boom Can Clean Thailand's Air
Thailand is drawing billions in AI investment. Here is how that same money could fund carbon removal, cleaner air, and healthier soil at home.
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Environmental chemistry
Biochar Chemistry for Heavy Metal Treatment
Surface area, pH, pyrolysis temperature, CEC and aromaticity determine how biochar binds lead, cadmium, copper and other contaminants.
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Explainer
Biochar Is Not Charcoal
Why the black carbon that rebuilds soil is not the charcoal on your grill, and why that difference decides everything for the climate.
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Field note
PM2.5 Does Not Just Come From Cars
After the harvest, the fields burn. Where the haze really comes from, what it costs, and the alternative that turns smoke into stored carbon.
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On the farm
Biochar in Thai Rice Farming
What biochar does in a paddy, the honest methane nuance, the salt creeping under Isan, and why it still pays for the farmer.
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