2. Until the plant food becomes available plants cannot use it.
3. Whether corn is grown for grain or for silage, the soil should be fertile enough for plants to develop well.
4. Rye belongs to drought-resistant plants, which is due to its well-developed root system.
5. Winter grains grow well and withstand winterkilling, provided they are sown at optimum time.
6. Air which constitutes from 20 to 25 percent of a normally moist soil supplies the necessary amount of oxygen.
7. Though beets will withstand light frosts, it is usually best to delay seeding until the last killing frost date is past.
8. In our region corn is grown principally for grain while its tops are used as livestock feed.
9. Since corn is a warm-weather plant it is planted as soon as soil temperature becomes high enough.
8. Translate the following sentences paying attention to the words in bold.
1. It is not recommended to apply barnyard manure for oats for they lodge due to the presence of nitrogen in the manure.
2. Some perennials are able to live for more than 10 years or even longer.
4. For plants to manufacture much food they need an abundance of sunshine.
5. Soil provided with a good amount of organic matter will produce high yields of farm crops.
6. Last year our Experimental Station provided the farms of our region with the seed of this new winter wheat variety.
7. Oats are known to yield much better, provided they are grown after sugar beets than after small grains.
8. The crop did not yield well because the soil contained a small amount of nitrogen.
9. A poor potato crop was produced because of too low moisture content in the soil at the time of tuber formation.
10. They have grown this new corn variety since 1980.
11. They have not grown any other cone variety since.
12. We have not applied either organic or commercial fertilizers to the soil since we began the experiment.
13. Sandy and sandy loam soils are best adapted to potato growing since they produce tubers of high quality.
14. The fertility of the soil was rather low before growing legumes.
15. The grain may be injured before good storage conditions are provided.
16. Lodging resulted after abundant application of manure.
17. After the seedlings are transplanted to the field they should be watered.
9. Hightlight sentences in each paragraph of text A expressing the main idea of the paragraph.
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Listening and speaking Focus
Watch the video: How to Plant Root Crops. - URL: https://www.youtube.com/watch?v=SU6xZtOZgdM (accessed 01.11.2022), answer the following questions:
1. How to Plant Root Crops in the video?