IMPROVING FARM LAND 
167 
Exercise 2 
Secure samples of fertilizers from fertilizer companies and study 
them in the school room. Try applying some commercial fer¬ 
tilizer to the flowers in pots. 
Try mulching tomato plants with straw, leaving another group 
without mulching. Find out which produces the most tomatoes. 
WORDS TO BE LEARNED 
Commercial. Fertilizer prepared and sold on the market. 
Friable. Easily crumbled or pulverized. 
Incorporate. To be mixed or blended. 
Menace. Threatens the loss of soil fertility. 
Refuse. Waste matter or rubbish. 
REFERENCES 
“A Fertile Soil Means a Prosperous People,” International Har¬ 
vester Company, Bulletin. 
“Armour’s Farmers’ Almanac,” Armour and Company, Chicago, 
1921. 
“Soils, Their Properties and Management,” Lyon Fippin, Buck- 
man, Macmillan. 
“The Principles of the Liming of Soils,” U. S. Dept, of Agri., 
Farmers’ Bui. 921. 
“A Simple Way to Increase Crop Yields,” U. S. Dept, of Agri., 
Farmers’ Bui. 924. 
