Конструктор тестів
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1.What grasses are cultivated in the fields and pastures?
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2. What does the content of grasses depend upon?
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3. What grasses are included into the range of plants?
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4. What is it necessary to do to produce hay and grass flour?
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5. What mineral fertilizers are applied?
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6. When are the grasses sown at the former peat deposits?
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7. When are the grasses mown?
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8. What is the efficiency of nitrogen fertilizing?
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9. What is the efficiency of phosphorous fertilizing?
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10. What is the best term for haymaking?
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Do ehe mowing terms greatly influence on their growth?
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The maximum length of the mown grasses is up to 5 cm, isn't it?
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