We've made a raised bed out of old wood and plan to grow some potatoes. I've filled it with cheap multi purpose compost but aside from mixing with homemade compost (which I don't have) what's the cheapest and quickest way to improve it? I'm assuming some form of manure?
Question
We've made a raised bed out of old wood and plan to grow some potatoes. I've filled it with cheap multi purpose compost but aside from mixing with homemade compost (which I don't have) what's the cheapest and quickest way to improve it? I'm assuming some form of manure?