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Rhubarb
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.
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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.
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Rutabaga (Brassica napus, Napobrassica Group), herbaceous biennial vegetable belonging to the Cruciferae family and grown as a root crop in all provinces.
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Rye is the common name for members of the genus Secale of the grass family (Poaceae, formerly Gramineae) and for the cereal grains produced by those grasses.
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Saskatoon berry (Amelanchier alnifolia) is a deciduous native shrub that grows from western Ontario to British Columbia and the Yukon.
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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.
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Classification involves arranging individual units with similar characteristics into groups. Soils do not occur as discrete entities; thus the unit of measurement for soil is not obvious.
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Soil conservation is a combination of all methods of management and land use that safeguard the soil against depletion or deterioration by natural or human-induced factors.
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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.
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Soybean (Glycine max) is a herbaceous annual belonging to the legume family, grown as an oilseed crop in Canada.
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Spinach (Spinacia oleracea), is a leafy, cool-season vegetable that belongs to the Chenopodiaceae family.
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Squash (genus Cucurbita) is an annual plant belonging to the Cucurbitaceae family and native to the Americas.
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Sunflower (genus Helianthus), common name for annual or perennial herbaceous plants native to the Western Hemisphere and belonging to the family Compositae.
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The sweet apple (Malus pumila) is a cultivated species of the rose family and Canada's most important tree fruit crop.
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Sweet corn (Zea mays var. saccharata or rugosa) is an annual vegetable of the grass family.
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