Page 271 - Primary Five Science

1. Legumes

These are crops which have root nodules on the roots and

store their seeds in pods. E.g. beans, peas, ground nuts, soya

beans

 Root nodules have Nitrogen fixing bacteria

 Nitrogen fixing bacteria trap Nitrogen from air in the soil

and turn into nitrates

 Nitrates is used by plant as plant food

 Plants also use nitrogen and starch to make plant proteins