Soil science · Guide
How to increase or decrease your soil pH
In organic gardens you'll often hear that pH doesn't matter because the soil buffers it. Only partly true. pH drifts even in well-tended organic systems, slowing...
The Dr Forest blog · Est. Stockport · England · 2020
Soil science & growing guides, properly explained.
Evidence-led guides to organic fertiliser, feeding and soil science for UK growers. Deficiencies, ingredients, biostimulants and crop-by-crop feeding, with every claim checked against the original paper.
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essential-nutrients · Guide
What is a fertiliser?
What is a fertiliser, what are the 17 essential plant nutrients, and how do you tell which one your plant is missing? A complete reference guide...
essential oil herbs · Guide
Zinc deficiency in plants: growth, flavour and how to fix it
Zinc is a trace element, but a plant that runs short of it stalls: stunted new growth, small puckered leaves, and weaker aromatic oils in herbs....
Soil science · Guide
How to top dress like a pro
1. Calculate how much fertiliser to use. Recommendations: Potted Plants 1-5ml per litre of soil 1ml per litre - Not a full feed on its own....
bokashi · Guide
How to make JADAM Microbial Solution at home
The microbes you want in your beds already live a few hundred metres away. JADAM microbial solution is a homemade inoculant brewed from forest leaf mould,...
The garden journal
Feeding schedules, soil science & 10% off your first order.
One letter a month on what to feed, when to feed it, and why it works. Written by Joe, for growers who want to understand their soil.