1. farmers always reap rye in august

2. they usually irrigate their fields twice a week

3. we often use crops guard in summer to protect the field

4. should use mechanic plow for plowing

5. boggy is not suitable for crops

6. vets do not fertilize the fields

7. biotechnologists do not water oats and millet

8. farmers do not use chemical fertilizers

9. tractors work in the fields all round the year

10. agronomists harrow the fields in spring