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Fertilizers are natural or synthetic materials that are used to supply essential nutrients for PLANT growth. Plants require 16 nutrients for growth. Carbon (C), hydrogen (H) and oxygen (O) are taken up from the atmosphere and as water.
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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).
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Field corn (Zea mays) is a spring-sown annual belonging to the grass family (Gramineae). Native to North America, Indian corn, or maize, has diverged so radically from its ancestral species that these forerunners cannot be identified with certainty.
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Finch is a common name for one of the larger bird families, Fringillidae, which occurs worldwide (introduced in Australia). It includes some GROSBEAKS, crossbills, Hawaiian honey creepers, redpolls, siskins and birds specifically named finches.
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Fir, Scandinavian for "pine," designates the "true" firs, which are evergreen conifers (genus Abies) of the pine family (Pinaceae). About 50 species occur worldwide, all in the Northern Hemisphere; 4 are native to Canada. Balsam fir (A. balsamea) occurs from Alberta to the Atlantic Provinces.
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Disastrous fires may result from arson, accident or uncontrolled forest fire. Their impact may include lives lost, people evacuated and property damaged. Numerous fires, especially forest fires, occur in Canada every year; this article details the worst that have occurred throughout the country’s history.
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Fireweed, common name for Epilobium angustifolium, a member of a genus of herbaceous or shrubby plants of the evening primrose family (Onagraceae).
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The classification of fishes has undergone much change over the last few decades, and further changes are expected, partly because so many groups are poorly known.
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The Fisher (Martes pennanti) is a member of the weasel family, with a typically pointed face and rounded ears. In Canada, fishers live in the boreal and temperate forests of almost all the provinces and territories, with the exception of Newfoundland and Labrador and Prince Edward Island.
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Fishes are members of a large, heterogeneous group of vertebrates living in a wide variety of aquatic habitats.
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Many animals found in Canada have become part of the country’s iconography. The beaver, the caribou, the loon and the polar bear, for example, all grace our currency, while moose, narwhals and others are pictured in regional emblems. If asked to name the creatures that roamed Canada long before these familiar ones, many might cite Tyrannosaurus rex or Triceratops, two of the 88 species of dinosaur found here (see Dinosaurs Found in Canada). But between dinosaurs and today’s beavers — a period of about 225 million years — whole ecosystems flourished and disappeared in Canada, and networks of animals with them. Below are five prehistoric Canadian animals. Two of them, Albertonectes and Cryodrakon, were contemporaries of the dinosaurs. Three others, the giant beaver, mammoth, and American mastodon, existed millennia later.
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In oceanographic terminology, fjords are estuaries, ie, semienclosed bodies of water in which seawater is measurably diluted by fresh water from land drainage.
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The Saguenay Fjord was carved out near the very edge of the North American continental ice sheet. This fjord has the very rare characteristic of being intracontinental.
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Flatfish is the common name for fish belonging to the order Pleuronectiformes. There are 14 families of flatfish and over 800 species worldwide. In Canadian waters there are approximately 39 species of flatfish, from five families. These families are Pleuronectidae, Bothidae, Paralichthyidae, Scophthalmidae and Cynoglossidae. Familiar flatfishes found in Canada include halibut, plaice, flounder and turbot. Among their distinguishing features, flatfish have both eyes on one side of their body.
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