the dr forest blog
Best fertiliser for tomatoes: an honest guide
Three choices decide your tomato crop before you pick up a bag: organic or mineral, dry or liquid, tomato-specific or all-purpose. A science-led, honest guide to each, from the founder...
Best fertiliser for tomatoes: an honest guide
Three choices decide your tomato crop before you pick up a bag: organic or mineral, dry or liquid, tomato-specific or all-purpose. A science-led, honest guide to each, from the founder...
What is a wetting agent, and when does your soi...
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 water's surface tension so...
What is a wetting agent, and when does your soi...
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 water's surface tension so...
Seaweed fertiliser, properly explained
Seaweed fertiliser is a biostimulant, not a feed — its value is in the bioactive fraction, not its tiny NPK. Here's what it does, the three forms it comes in,...
Seaweed fertiliser, properly explained
Seaweed fertiliser is a biostimulant, not a feed — its value is in the bioactive fraction, not its tiny NPK. Here's what it does, the three forms it comes in,...
Polyhalite vs sulphate of potash: which potash ...
Two of the cleanest potash options a UK gardener can buy. They look similar on the label, behave very differently in the soil, and answer different questions. A side-by-side comparison...
Polyhalite vs sulphate of potash: which potash ...
Two of the cleanest potash options a UK gardener can buy. They look similar on the label, behave very differently in the soil, and answer different questions. A side-by-side comparison...
Amino acid biostimulants for plants: what they ...
Biostimulants Amino acids for plants, properly explained By Joseph Barrington, Founder of Dr Forest · May 2026 In short Amino acids are pre-assembled nitrogen the plant can absorb and use...
Amino acid biostimulants for plants: what they ...
Biostimulants Amino acids for plants, properly explained By Joseph Barrington, Founder of Dr Forest · May 2026 In short Amino acids are pre-assembled nitrogen the plant can absorb and use...
Benefits of fulvic acid for plants
Eight specific benefits of fulvic acid for plants, each with peer-reviewed evidence. Plus what the field-trial data actually shows for lawns, flowers, fruit and vegetables, and where the evidence is...
Benefits of fulvic acid for plants
Eight specific benefits of fulvic acid for plants, each with peer-reviewed evidence. Plus what the field-trial data actually shows for lawns, flowers, fruit and vegetables, and where the evidence is...