foliar feeding · Guide
What is a wetting agent, and when does your soil actually need one?
Pour water onto dry compost and a lot of it runs straight out the bottom, leaving the middle dry as a bone. A wetting agent lowers...
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.
Soil science guides.
mycorrhizal fungi · Guide
What Are Mycorrhizal Fungi? A Guide for UK Gardeners
Mycorrhizal inoculants help most UK garden plants but do nothing for brassicas, beets or rhododendrons. The full list of which benefit and when to apply.
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...
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...
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....
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.