Ground Level
A struggling plant is telling you exactly what it's short on, if you know where to look first. Here's how to read the signs, why it's usually lockout and not shortage, and which amendment actually fixes each real deficiency.
A living soil fertilises itself: build it once, feed the microbes instead of the plant, and reuse it for years. Here's what goes in, in what order, and why you don't need every amendment to get it right.
Most people order soil twice: a wrong guess, then a top-up delivery to finish the job. Here's the two-minute formula, and the depth guide, that gets you one number and one order.