AGRICULTURE FOR SOUTHERN SCHOOLS. 27 
setting of plants. Directions for all these operations may be obtained 
from Farmers' Bulletin 324, Sweet Potatoes. 
Note. — The method of propagation should be adapted to the section in which 
the school is located. 
Lesson 24. — Potatoes. 
Special references. — The following Farmers' Bulletins: 35, Potato Cul- 
ture; 91, Potato Diseases and Their Treatment; 407, The Potato as a 
Truck Crop ; 533, Good Seed Potatoes and How to Produce Them ; 
544, Potato Tuber Diseases. 
Lesson 25. — Cassava and Okra. 
Special references. — The following Farmers' Bulletins : 167, Cassava ; 
232, Okra. 
Lesson 26. — Miscellaneous Field Crops. 
1. Rape. 
2. The cabbage family. 
3. Other crops which may be of local importance. 
Special reference: Rape as a Forage Crop, Farmers' Bulletin 164, 
Lesson 27. — Root Crops. 
1. Stock beets of different types. 
2. Turnips, carrots, and parsnips. 
3. Jerusalem artichokes. 
4. Miscellaneous root crops for the South. 
Special references. — 
Promising Root Crops for the South, U. S. Dept. of Agriculture, 
Bur. PI. Indus. Bui. 164. 
Sugar Beet Growing under Humid Conditions, Farmers' Bulle- 
tin 568. 
Special references on cotton. — 
Bulletins and circulars upon the subject obtained from State experi- 
ment stations and departments of agriculture. 
Improvement of Cotton by Seed Selection, U. S. Dept. of Agriculture 
Yearbook, 1902. 
Cotton Improvement on a Community Basis, U. S. Dept. of Agricul- 
ture Yearbook, 1911. 
Improved Methods of Handling and Marketing Cotton, U. S. Dept. of 
Agriculture Yearbook, 1912. 
Production of Cotton under Boll Weevil Conditions, U. S. Dept. of 
Agriculture, Bur. PI. Indus. Circ. "A" 71. 
The Cotton Plant : Its History, Botany, Chemistry, Culture, Enemies, 
and Uses, U. S. Dept. of Agriculture, Off. Expt. Stas. Bulletin 33. 
The following Farmers' Bulletins : 36, Cotton Seed and Its Products ; 285, 
Advantage of Planting Heavy Cotton Seed ; 286, Comparative Value of 
Whole Cotton Seed and Cottonseed Meal in Fertilizing Cotton: 290, The 
Cotton Bolhvorm ; 302, Sea Island Cotton : Its Culture, Improvement, 
and Diseases ; 326, Building up a Run-down Cotton Plantation ; 333, Cotton 
Wilt ; 364, A Profitable Cotton Farm ; 500, Control of the Boll Weevil ; 
501, Cotton Improvement Under Weevil Conditions ; 512, The Boll-weevil 
Problem ; 601, A New System of Cotton Culture and Its Application ; 625, 
Cotton Wilt and Root Knot. 
