Glossary - R
Raised beds – Mound the soil up in the planting area above the surrounding soil level.
Re-entry time – The amount of time you must wait to enter a garden after it has been treated with a pesticide.
Rhizobium bacteria – Bacteria that grow in close association with the roots of legumes and can convert atmospheric nitrogen into nitrate.
Rock phosphate – A finely ground natural rock powder that is used to supply the soil with phosphate.
Roguing – Removal of diseased plants.
Root resistant cultivars – Vegetable cultivars that are resistant to one or more disease, insect, nematode or virus.
Rots – A disease that attacks plant roots causing them to rot.
Row covers – Plastic sheets that can be used to cover rows of a crop and provide protection from cold temperatures and some insect pests.
Row planting – Growing vegetables in single or double rows with aisles between each row.