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Radish (Raphanus sativus) is a hardy annual or biennial vegetable belonging to the Cruciferae family. Roots are mostly rounded with a red exterior and white, acrid flesh.

Rat control in Alberta is administered and co-ordinated by Alberta Agriculture and Food. It was established in 1950 to keep Alberta free of Norway rats (seeRAT), which were introduced to the east coast of North America in 1775

Wheat is the common name for members of genus Triticum of the grass family (Gramineae) and for the cereal grains produced by these grasses.

Roses have been cultivated from very early times, but little is known of their origin. The hybrid tea rose, the most popular of modern garden roses, was introduced worldwide in 1867.

Rutabaga (Brassica napus, Napobrassica Group), herbaceous biennial vegetable belonging to the Cruciferae family and grown as a root crop in all provinces.

Rhubarb (genus Rheum) is a common name for about 50 species of cool-season herbaceous perennial plants belonging to the buckwheat family and originating in central Asia.

Strawberry, seeBERRIES, CULTIVATED; BERRIES, WILD.

The Tantramar marsh is one of four saltwater tidal marshes covering 20,230 ha on the narrow Chignecto Isthmus that connects New Brunswick and Nova Scotia.

Soil is the thin, fragile surface layer of Earth. It is a dynamic, loose and porous body of variable thickness (between a few centimetres and a few metres). Soil is formed by continuous transformations of rock or deposit through physical, chemical and biological processes. It is one of the two main components of Earth — the other being oceans — in which life is particularly active. Soil is the source and site of many human activities, and human life greatly depends on it. In Canada, agricultural, environmental and natural-resource scientists are at the forefront of research on soil.

Soybean (Glycine max) is a herbaceous annual belonging to the legume family, grown as an oilseed crop in Canada.

Tobacco (Nicotiana tabacum) is an annual (potentially perennial) herbaceous plant of the nightshade family.

Although Canada's tobacco industry has developed largely during this century, tobacco growing goes back to early colonial days, when settlers around the St Lawrence River adopted the smoking customs of aboriginal peoples. French settlers began by copying the agricultural model set by the Indians.

Turnip (Brassica rapa, Rapifera Group), biennial vegetable belonging to the Cruciferae family and grown in all provinces as a root crop.

Triticale (Triticosecale Wittmack), the first man-made crop species, is initially produced by crossing wheat (genus Triticum) with rye (Secale), and resembles wheat.

A vegetable is a herbaceous plant of which all or a part is eaten, raw or cooked. Vegetables are a valuable source of protein, vitamins, minerals, trace elements and fibre. All vegetables are high in carbohydrates, which contribute to their unique taste.

Some pea cultivars are grown in gardens for their tender green pods as VEGETABLES, which are harvested at their early stage of development, and eaten raw or cooked. They are known as snowpeas, sugar peas or snap peas. In parts of Asia and Africa, tender pea foliage is harvested as vegetable.

Soil science is the science that deals with soils as a natural resource. Studies focus on soil formation, classification and mapping, and the physical, chemical and biological properties and fertility of soils as such and in relation to their management for crop production.

Sweet corn (Zea mays var. saccharata or rugosa) is an annual vegetable of the grass family.

​Cranberries are tart, red berries. In Canada, most commercial production is in British Columbia and Québec.

The term fiddlehead is used to refer to plants in 3 ways: (1) the young curled leaf of any fern; (2) the ostrich fern (Matteuccia struthiopteris of the Aspidaceae family); and (3) the young curled leaf of the ostrich fern used as a vegetable (often called fiddlehead greens).