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    <lastmod>2026-09-10T13:30:18-07:00</lastmod>
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      <image:title>How Biochar Makes Your Garden Thrive: Water, Nutrients, Habitat</image:title>
      <image:caption>A proof-of-concept Pi Biochar Fire pit with burning corn stalks, used to create biochar.</image:caption>
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    <loc>https://pifabricators.com/blogs/biochar/biocharable-a-much-needed-word</loc>
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      <image:title>Biocharable - A Much Needed Word</image:title>
      <image:caption>A pile of various lumber scraps with the word &quot;BIOCHARABLE&quot; overlaid in bold white text.</image:caption>
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    <loc>https://pifabricators.com/blogs/biochar/ladybug-haven-how-biochar-helped-one-greenhouse-thrive</loc>
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      <image:title>Ladybug Haven: How Biochar Helped One Greenhouse Thrive</image:title>
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    <loc>https://pifabricators.com/blogs/biochar/biochar-2-feet-deep-supercharged-tomatoes</loc>
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      <image:title>Biochar in Soil: 2 Feet Deep for Supercharged Tomatoes</image:title>
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    <loc>https://pifabricators.com/blogs/biochar/can-biochar-work-as-an-aquaponics-filter</loc>
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      <image:title>Can Biochar Work as an Aquaponics Filter?</image:title>
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    <loc>https://pifabricators.com/blogs/pipe-tube-reference/npt-thread-size-chart</loc>
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    <loc>https://pifabricators.com/blogs/sheet-metal-fabrication-calculators/sheet-metal-gauge-chart</loc>
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    <loc>https://pifabricators.com/blogs/seals-o-ring-reference/o-ring-size-chart</loc>
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    <loc>https://pifabricators.com/blogs/structural-mechanical-calculators/beam-deflection-center-load</loc>
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    <loc>https://pifabricators.com/blogs/structural-mechanical-calculators/centrifugal-force-calculator</loc>
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    <loc>https://pifabricators.com/blogs/machining-calculators/chip-load-calculator</loc>
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    <loc>https://pifabricators.com/blogs/structural-mechanical-calculators/section-modulus-calculator</loc>
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    <loc>https://pifabricators.com/blogs/material-properties-reference/stainless-steel-properties</loc>
    <lastmod>2026-05-31T19:40:26-07:00</lastmod>
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    <loc>https://pifabricators.com/blogs/machining-calculators/drilling-feed-rate</loc>
    <lastmod>2026-05-12T07:27:44-07:00</lastmod>
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  <url>
    <loc>https://pifabricators.com/blogs/biochar/biochar-soil-map</loc>
    <lastmod>2026-09-18T03:20:16-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0550/7186/7012/articles/biochar-map-demo_8a0b9893-cf32-4127-835d-b99fff370d4f.png?v=1778664965</image:loc>
      <image:title>Biochar Soil Map: Will Biochar Help Your Garden?</image:title>
      <image:caption> Biochar Soil Map demo: clicking a spot near Huguley, AL returns &apos;Good response on Cecil (85%)&apos; with a full breakdown link.</image:caption>
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  <url>
    <loc>https://pifabricators.com/blogs/material-properties-reference/brinell-hardness-calculator</loc>
    <lastmod>2026-08-07T08:01:24-07:00</lastmod>
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  <url>
    <loc>https://pifabricators.com/blogs/material-properties-reference/hardness-conversion</loc>
    <lastmod>2026-08-07T13:02:26-07:00</lastmod>
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    <loc>https://pifabricators.com/blogs/fastener-thread-calculators/clearance-hole-chart</loc>
    <lastmod>2026-08-13T08:55:44-07:00</lastmod>
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  <url>
    <loc>https://pifabricators.com/blogs/biochar/biochar-kiln-buyers-guide</loc>
    <lastmod>2026-09-18T03:20:21-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0550/7186/7012/articles/kiln-types-cross-sections_166e6240-7cf6-466c-946c-1bb1e940d194.png?v=1789482795</image:loc>
      <image:title>Biochar Kiln Buyer&apos;s Guide: Flame Cap, Retort, TLUD and DIY</image:title>
      <image:caption>Line drawing of four biochar kiln types in cross section: an open flame-cap cone with flames across the top and a char bed below, a sealed retort drum sitting inside an outer fire, a top-lit updraft drum with air holes at the bottom and a chimney</image:caption>
    </image:image>
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  <url>
    <loc>https://pifabricators.com/blogs/biochar/how-does-a-smokeless-fire-pit-work</loc>
    <lastmod>2026-09-21T02:58:37-07:00</lastmod>
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      <image:title>How Does a Smokeless Fire Pit Work?</image:title>
      <image:caption>Line drawing comparing two fire pits in cross section. Left, a double-wall smokeless fire pit: air enters at the base, rises between the walls and jets in near the rim, where it mixes with the smoke and burns it off</image:caption>
    </image:image>
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