and this hope it helps some one
Brassicas
Cabbage, cauliflower, radish, swede
Leafy crops need nitrogen-rich soil; may need liming
Legumes
Pea, bean (broad, French and runner)
Well-drained but moisture-retentive; not nitrogen-rich
Fix atmospheric nitrogen in roots for future crops
Onions
Onion, garlic, shallot, leek
High organic matter; may need liming
Potato family
Potato, tomato
High organic matter and nitrogen (potato); no lime
Suppress weeds, break up soil structure
Umbellifers
Carrot, parsnip, parsley, celery, Florence fennel
Root crops need stone-free soil; not freshly manured; fine tilth
Root crops break up soil structure