Прочитайте текст. The main purpose of soil preparation is to make a seedbed – that is an area of soi...: ответ на тест 1072729 - Английский язык

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The main purpose of soil preparation is to make a seedbed – that is, an area of soil in which seeds can be planted and in which they will take root and grow. Most farmers make the seedbed by a process called tillage. Tillage involves digging into the soil and mixing it. Tillage loosens the soil, kills weeds, and improves the circulation of the water and air in the soil. The chief tillage devices are ploughs. At ploughing time, most farm fields are scattered with dead stalk, leaves, and other plant wasters from the preceding crop. Other field may have a cover crop, such as alfalfa or grass. Plants wasted and cover crops help protect soil from erosion. They also enrich the soil with nutrients if they are ploughed under.
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Most farmers make the seedbed by a process called …

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Nearly all the field crops grown on the farms are planted by machines called planters or drills. These machines cut furrows in the soil, drop seeds into each furrow, and cover the seeds with soil – all in one operation. Some fertilizers and pesticides are applied to the soil during planting. Equipment to distribute the chemicals may be attached to the seed drill. Herbicides applied before or during planting kill many kinds of weeds, but not all. Some weeds may develop with the crops. Farmers control such weeds with cultivators. These devices stir the soil between rows and so uproot and bury any weeds.
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Some fertilizers and pesticides are …

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Biological industry has produced various drugs and preparations promoting resistance of the animal body to harmful conditions of environment and accelerating growth of animals. The foremost attention is paid to the veterinary sanitation and hygiene because they are the foundation of human health, well-being of animals, good quality of animal production and high culture of cattle-breeding. The veterinarian must know the rules and regulations designed to conserve animal life and to safeguard the public health. International cooperation is significantly extended in the field of veterinary medicine.
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The veterinarian must know the rules and regulations designed to conserve …

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Most raw milk collected at farms is pumped from stainless steel tanks into tank trucks for delivery to processing plants. The truck drivers are required to check flavor, temperature, and volume of milk in the farm tank and to collect a sample of raw milk for analysis before pumping the milk into the truck. At the receiving station of the processing plant the milk in the farm truck is weighed and pumped into the plant through flexible plastic and stainless steel pipelines. The actual processing of raw milk begins with either separation or clarification. These machines are essentially similar except that in the clarifier the cream and skim milk fractions are not separated. Separators have two discharge pipes, one for cream and one for skim milk. Clarifiers have only one pipe for whole milk.
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In the clarifier the cream and skim milk fractions …

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1_______
2_______,
We were very impressed by the quality of samples, and we are ready to give you a trial order.
We have prepared a list of the agricultural implements that we are interested in. We agree for part shipment of threshing-machines and mowing-machines. We would like half the quantity to be delivered in three to four weeks. Payment will be made in US Dollars. We are ready to open a confirmed and irrevocable Letter of Credit in England.
3_______to discuss the question of discount as well. We could agree for a 10% quantity discount with one provision. Any further orders we place within a one year period would receive at least the same discount.
Please confirm the receipt of this letter by fax.
4_______,
Alain Berger

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1_______
Dear Sirs,
We have received your letter of 10th September and are very sorry that we have been unable to supply your order in time. 2_______, production in one of our poultry factories was held up for three weeks by а fire.
In the circumstances we have regretfully cancelled your order but 3_______that you will give us the chance of quoting again when you are in the market next time.
Yours faithfully,
4_______