 |
|
Fill in the blanks with the appropriate words from the text.
1. All crops belonging to the grass family have … roots.
2. Potato is cultivated during its growth and is known as … crop.
3. The main … raised by man are corn, barley, oats, rice, wheat and rye.
4. Like cereals … … as beets are grown because of the food value of their root.
5. … … include all grasses cut for hay, legumes, sorghum and corn.
6. The most important … cultivated throughout the world is potato.
7. The principle … crops are cotton, flax and hemp.
8. Green manure crops are ... but for soil improvement.
9. … … cannot produce seed the first year.
10. Cereal is a grass grown for its … grain.
Form Participles I-II and translate them.
a) from regular verbs:
to develop, to produce, to supply, to harvest, to obtain, to increase, to improve, to classify
b) from irregular verbs:
to know, to find, to say, to speak, to take, to understand, to sow, to make, to leave.
Translate the following word combinations paying attention to
ParticipleI-II.
crops adapted to the conditions of the region, collective farms growing wheat, some crops grown by our farm, soil supplied with nitrogen, one of the cereal crops raised, wheat varieties best known to people, crop producing high yields.
Translate the sentences containing Participles and participal constructions.
1. The quality of the grain harvested is high.
2. They spoke about the yield obtained.
3. Some of the crops requiring cool conditions for their growth are wheat, rye and potatoes.
4. The growing period required by winter wheat is about 300 days.
5. There are many factors influencing crop growth and development.
6. Plants cultivated by man are known as farm crops.
7. Using only the best seeds, farmers increase the yield of crops.
8. Growing improved varieties, they obtain high-quality grain.
Translate into Russian paying attention to the meanings of the following words: as to, for, extent.
1. As to the value of this fiber crop it is well known to everybody.
2. We value this crop for its fiber.
3. The roots of cereals extend in all directions from the nodes of the stem, their extent may be very great.
4. As to annual crops they complete their life cycle in one season.
5. The yield of this crop depends to a considerable extent upon the environmental conditions.
6. The length of the vegetative season changes to a great extent with the temperature.
Translate the sentences into Russian.
1. Temperature is one of the most important environmental factors affecting crop growing.
2. Botanical classification is one based on the similarity of plant parts.
3. One can group plants according to the duration of their growth.
4. Perennial crops are the ones that grow for more than two years.
5. One should know the crops belonging to grass family.
6. They use traditional cultural practices in corn production but we use improved ones and obtain better results.
7. Most of our field crops belong to one of the two botanical families: the grasses and the legumes.
8. Annual crops are those that complete their life cycle in one season.