4 BULLETIN 258, T>. S. DEPARTMENT OF AGRICULTURE. 



Correlations. — Language: Tabulating the facts with reference to 

 the poultry of the community furnishes language material. Draw- 

 ing: Make sketches of feathers from different parts of the body of 

 an individual of each breed studied. Arithmetic : Develop problems 

 on the value of the poultry of the community as indicated by the 

 survey. 



LESSON FOUR. 



SUBJECT : SOILS. TOPIC : MOISTURE. 



Kinds of moisture. — Free, capillary. Each defined. Movements 

 of each kind. 



Effects of moisture on breaking land, subsoil plowing, preparing 

 seed bed. 



Class assignment. — Duggar's, pp. 65-68 and 70-72. 



Practical exercises. — Perform exercises suggested in Duggar's, pp. 

 66, 67, and 69. 



Correlations. — Language: Write up results of practical exercises 

 and copy in notebooks. Drawing: Make sketches of materials used 

 in practical exercises. 



LESSON FIVE. 

 SUBJECT : CROPS. TOPIC : SMALL GRAINS AND CLOVERS. 



Small grains. — Wheat, oats, rye, barley. Preparation of soil, time 

 of sowing, fertilizers, rate of seeding, varieties, treatment to prevent 

 diseases. 



Clovers. — Kinds, uses, time, manner and rate of seeding, need and 

 methods of inoculation. 



Class assignment. — Duggar's, pp. 136-143 and 174, 177, and 178. 

 Teacher should supplement the lesson with notes from Farmers' Buls. 

 427, 436, 518, 550, 579, and 646. 



Practical exercises. — (1) Collect in bottles, bring to school, and 

 label the different kinds and varieties of grains and clovers studied in 

 this lesson. See Farmers' Bui. 586. (2) Study these seeds to learn 

 to identify them. (3) Take a given amount of seed of each kind, 

 pick out the good, pure seeds and separate from the impure and the 

 unsound. Would it be advisable to sow impure seed ? 



Correlations. — Language: Develop the notes taken in connection 

 with the foregoing exercises and copy in the notebooks. Drawing: 

 Make enlarged drawings of each kind of seed, giving proper color. 

 Arithmetic : Develop problems on the purity of seed, based on results 

 obtained in the practical exercises. 



