Field notes
Sorted by what we can prove.
Measured work first, plans last.
Laboratory measured
Published literature
The PFAS in your fertilizer: the sludge investigation no agri-shop wants to discuss
Sludge biosolids, traced onto farms since 2024.
Water that stays where you put it: soil structure, arid agriculture, and the irrigation P&L
What soil structure does to an irrigation litre.
What’s actually alive in your soil, and what synthetic NPK starves
The workforce synthetic fertilizer starves.
Programme design
Buy, lease, cooperative, or anchor farmer: which model fits your land?
Four models, three deciding questions.
Container catfish in a professional kitchen: what it offers, and what we will not claim
A batch record, no certification.
Inside a closed-loop fish farm: what the container does, and what we have not measured yet
The loop, and the missing readings.
What we can and cannot tell you about the payback on one container
Contracted terms, no payback figure.
Why imported fertilizer is eating your margin (and what to grow instead)
The bag, the freight, the soil.