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The One‑Bucket Garden Fertility System

Calculate exactly how much compost and mulch your garden needs — no guesswork, no waste.

Based on: My Entire Garden Runs on This One Bucket (Here's How) by Huw Richards

My Entire Garden Runs on This One Bucket (Here's How)▶ Watch the source video on YouTube

Why You Need This Checklist

What if the single most important tool in your garden wasn't a shovel, a trowel, or even a watering can — but a plain 30-litre bucket? Most gardeners spread compost and mulch by feel, by guess, or by instinct. And most of the time, that means either wasting expensive compost on beds that didn't need it, or starving the beds that did. There's a better way, and it takes about five minutes to learn.

Here's the real problem: without a consistent measuring standard, your garden's fertility becomes invisible. You can't track what you're producing, you can't plan what you need to order, and you can't compare results year to year. You end up either buying too much compost and blowing your budget, or running out halfway through the season and scrambling. Sound familiar?

Imagine instead knowing, with total confidence, that your 75-square-metre kitchen garden needs exactly 75 buckets of compost for a full 3 cm dressing. Imagine being able to look at a pile of willow chippings and know precisely how many square metres of mulch it will cover. Imagine watching your compost bin fill up and knowing — before you even open it — roughly how many litres of finished compost are waiting for you. That clarity is what the bucket method delivers, and it transforms the way you manage your garden from season to season.

Huw Richards has been refining this approach across his self-sufficiency garden for years, using it not just for compost but for grass clippings, wood chip, willow biomass, and compost pathway harvests. His 75-square-metre growing space and hands-on experiments — including measuring the yield of individual willow trees and a 7.5-metre living willow fence — back up every number in this system with real-world results. This isn't theory. It's a field-tested method that works whether you're gardening on 10 square metres or 100.

This checklist walks you through the entire bucket method step by step: calculating your total growing area, working out your compost and mulch needs using the core formula, applying it to specific beds, and then turning the system outward to measure what your garden actually produces — from lawn clippings to chipped willow to harvested compost pathways. Both metric and US customary units are covered throughout. Grab the checklist and take the guesswork out of your garden fertility for good.

What's Inside — Preview

Every checklist item comes with actionable notes to guide you — things like "Don't forget to do this before you start," "Avoid this common mistake," or "Set a reminder for 30 days out." Nothing vague, just clear next steps.

BUY Choose and standardize your measuring bucket — 30 L (metric) or 8 US gallon (imperial)
MEASURE Measure and record the total growing area of your garden in square metres or square feet
LEARN Learn the core bucket formula: 1 bucket per square metre = 3 cm (1.2 in) mulch depth
PLAN Calculate partial bucket amounts for shallower mulch depths
MEASURE Calculate the total number of buckets your entire garden needs for a full 3 cm mulch

+ 12 more action items inside...

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