I am doing a horticultural course, gunners, it says in there:
The organic gardener will usually use at least a 4-year rotation.
The groups are:
Root group - as described above.
Onions and Brassicas group - broccoli, brussels, cabbage, cauli, kale, garlic, leeks, onions, shallots, spring onions.
Potato group - capicums, courgettes, cucumber, lettuce, marrows, pots, chard, spinach beet, sweetcorn and tomatos.
Legumes group - beans, peas, celariac, celery, artichokes....
Divide your garden into four plots, A B C & D, then:
Year 1 A Potato, B Legumes, C Onion/Brassicas, D Roots
Year 2 D Potato, A Legumes, B Onion/Brassicas, C Roots
Year 3 C Potato, D Legumes, A Onion/Brassicas, B Roots
Year 4 B Potato, C Legumes, D Onion/Brassicas, A Roots
Any clearer?
