4 BULLETIN 258, U. S. DEPARTMENT OE 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. 
