Insights•Perspectives
Explore our latest thoughts, research findings, and field notes on soil science, agroecology, and carbon methodology.
Soil management designed for yesterday's climate will underperform under tomorrow's. The adaptation response across four agricultural contexts, from tropical cocoa agroforestry to European arable systems, and why soil organic matter is both the most important lever and the hardest to maintain under warming.
Biochar's global yield average sits at ~10–13%, but the average hides the answer: large gains on acidic tropical soils, near zero on temperate silts, sometimes negative. A decision framework for matching feedstock and pyrolysis to the soil and crop in front of you.
Biochar is one of the rare carbon removals with a clear definition and a tradable claim. What the H/Corg ratio tells you about permanence, and how the 2026 standards (Verra VM0044, EU CRCF, EBC, Puro) split the credit across biomass owner, pyrolysis operator, farmer, and buyer.
Soil carbon change is a small signal, 0.1 to 0.5 Mg C/ha/yr, set against a wider noise floor. Two interactive diagrams to move the dials, and what the 2026 MRV regimes (Verra VM0042 v3.0, GHG Protocol LSR, EU 2024/3012) demand before a change can be called real.
From 2027, the GHG Protocol Land Sector and Removals Standard folds inorganic carbon into the soil carbon pool. When SIC is material, how an unmeasured SIC trend can mask the SOC signal, and what the analytical workflow has to look like.
On tropical farms, a small number of large and remnant trees can dominate carbon stocks. Ignoring them distorts science, farm design, and carbon accounting alike.
Sample size is a consequence, not a starting point. Fix the scale of inference first, ground variance in published data, commit to 0–60 cm and ESM accounting, and design to the MRV standard your buyer will be audited against.
The full accounting chain: from DBH and wood density to a defensible confidence interval. Allometric bias, the retired 0.47 carbon fraction, the Monte Carlo uncertainty budget, and what the 2026 LSR, CCP, and CRCF regimes now demand.
RothC, AMG, Century, DayCent: four models, four different questions they answer best. A decision framework for choosing the right soil carbon model for the claim you need to defend.
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