Вопрос № 223704 - Английский язык

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Cereals are those members of the grass family which produce edible seed. Wheat, barley, rye, oats, corn and rice are known to be the most common and the most valuable cereals. The cereals grown in the temperate zone are known as small grains. They are wheat, barley, oats and rye. They may be spring or winter annuals. Corn and rice are warm season crops. They are to be seeded in spring or early summer and mature in the fall.

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Planting cereals
1. The warm-season cereals are grown in tropical lowlands year-round and in temperate climates during the frost-free season. Rice is commonly grown in flooded fields, though some strains are grown on dry land. Other warm climate cereals, such as sorghum, are adapted to arid conditions.
2. Cool-season cereals are well-adapted to temperate climates. Most varieties of a particular species are either winter or spring types. Winter varieties are sown in the autumn, germinate and grow vegetatively, then become dormant during winter. They resume growing in the springtime and mature in late spring or early summer. This cultivation system makes optimal use of water and frees the land for another crop early in the growing season.
3. Winter varieties do not flower until springtime because they require vernalization: exposure to low temperature for a genetically determined length of time. Where winters are too warm for vernalization or exceed the hardiness of the crop (which varies by species and variety), farmers grow spring varieties. Spring cereals are planted in early springtime and mature later that same summer, without vernalization. Spring cereals typically require more irrigation and yield less than winter cereals.
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To become ripen spring cereals …

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Animal husbandry, a branch of agricultural production, includes the breeding of farm animals and their use. Farm animals are highly important sources of food for man. They are known to produce highly nutritious products such as milk, meat and eggs. In addition, the skin of animals, down and feather of poultry and wool of sheep are used as raw materials to produce clothing and for many other purposes.

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The most important group of farm animals is cattle. There are four types of cattle. They are dairy cattle, beef cattle, draft cattle and dual-purpose cattle. Dairy cattle, that is, dairy cows provide milk that may be used in making various dairy products. Beef cattle is the producer of beef. One can raise dual-purpose cattle producing both milk and meat. Draft cattle and horses are almost everywhere replaced by agricultural machinery.

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Agriculture is the most important branch of economy in Denmark. It is highly developed. Big farms are predominant in Denmark.
The country has very favourable climate, soils and topography for farming. These factors stimulate crop growing and animal breeding.
Most farm operations are highly mechanized, from preparation of the soil to harvesting crops and feeding animals. The use of fertilizers and other chemicals increase crop yields and animal products.

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All plants require certain conditions of the environment for their best growth and development. The most important of them are water, soil, sunlight and temperature.
Proper temperature is also essential for crop production. The optimum temperature for germination and growth varies with different kinds of crops. Grain crops such as wheat and barley, for instance, grow at lower temperature than cotton and corn. Many crops are more adapted to the temperature conditions than to colder or warmer environment.