190 PRODUCTIVE FARMING 



10. Post up legal notices furnished by the State authorities 

 to warn all campers and hunters against forest fires. 



11. Replant belts destroyed by fire or storm. 



EXERCISE. Kinds of Trees. Collect twigs of the ever- 

 greens and other trees and have pupils name them for the 

 class. They may learn the names at home or elsewhere if 

 none in the class know them. Students should learn what 

 ones are most valued for posts, for lumber, and other uses. 



REVIEW. 



1. What are some of the common uses to be derived from the farm 

 wood-lot ? 



2. In what way is a forest of public benefit ? 



3. Tell of the influence of a grove of trees on the temperature oi 

 the soil. 



4. How does a forest control soil moisture ? 



5. Why should homes be protected by trees ? 



6. How are streams affected when forests are cut off ? 



7. How does a forest help to prevent a flood ? 



8. On what sides of the farmstead should shelter-belts be grown ? 



9. What width is suggested for these shelter-belts? Why is one 

 row of trees not the best ? 



10. What things must be considered in deciding what trees to plant ? 



11. What tree seeds must be planted or put in moist sand in the fall'. 



12. Which are planted in early summer? 



13. Tell when and how to start seeds of the cone-bearing trees. 



14. Give distances apart for planting trees in the wood-lot, and 

 compare the two plans given. 



15. Mention several advantages of mixed planting. 



16. How does the distance apart affect the shape of trees? 



17. Tell how to plant small seedlings in the wood-lot. 



18. Describe the planting of a larger tree. 



19. How are wood-lots naturally re-seeded ? 



20. What are forest weeds ? What should be done with them ? 



21. Why not use the wood-lot as a pasture ? 



22. Mention one way of preventing forest insects and diseases. 



23. Mention two ways to help prevent forest fires. 



References. United States Farmers' Bulletins: 516, Maple Sirup 

 and Sugar; 622, Basket Willow Culture; 700, Pecan Culture; 715, 

 Woodlot Products; 744, Preservative Treatment of FarmTimbers; 788, 

 The Windbreak as a Farm Asset. 



