What is BRF?

What is BRF?

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BRF for fragmented rameal wood, a mulch of crushed green wood that enriches and protects garden soil.

Still little known in France outside of organic gardeners circles, the BRF technique was developed by Canadian researchers in the 1990s.

This involves covering the earth with a mulch made up of shredded young branches and twigs (less than 7 cm in diameter) in order to make the soil more fertile, to limit watering and to eliminate the input of fertilizers and chemical treatments.

BRF, an organic solution

Indeed, like any mulch, BRF protects the soil from erosion, evaporation (especially as it absorbs and retains water particularly well) and the growth of weeds. The young branches, rich in nutrients, are transformed by the activity of the subsoil (earthworms, mushrooms, etc.) into organic elements little by little integrated into the earth to enrich it, aerate it and rebalance its pH. The result: more beautiful, healthier plants and, for crops, fruits and vegetables that give more.

The use of BRF is therefore particularly suitable if the soil in your garden is poor, clayey or limestone.

BRF, in practice

The installation of the BRF takes place in late winter or early spring. Gather green wood from pruning trees and shrubs in your garden or, if you run out of it, contact your municipality to collect pruning waste from city gardeners. Pass everything through a vegetable shredder, being careful not to incorporate too much of the coniferous branches that provide acidity (20% maximum).

Spread the mulch in layers of 2 to 5 cm on your flower beds, your future vegetable or fruit beds (the BRF has proven itself on the cultivation of tomatoes, zucchini and strawberries), at the foot of your trees and shrubs, etc. Scratch lightly to incorporate it into the ground: that's it! All you have to do is sow or plant as usual. The following year, you can add a new layer of BRF on the previous one which will have partially integrated into the soil.

Laure Hamann

Video: How to Make Mushroom BRF Cakes! Easy Grow Method! wJordan Peterson Psychedelic Talks (June 2022).


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