guss] GRADED COURSE OF GARDEN WORK 225 



Conditions of soil for best growth. 

 Preparation, planting. 



Cultivation — how to conserve the moisture. 



Insect enemies — methods of work. How to destroy them. Diseases — 

 how avoided. 



Harvesting the crop. Marketing. 



Scoring. 



Canning and preserving. Storing. 



Composition of plants Food of Plants 



Recall or repeat experiments I to 5 (See Grade V). 



Experiment 21, Practical Science (heating organic matter in a test-tube — 

 with limited air supply). Apply also in explaining the origin of humus, of 

 peat, and of coal. 



GRADE VIII 



Club work on larger areas at school or home. Canning clubs. 



Like Grade VII with additional work on 



Crop rotation; or, fruit trees and poultry. 



Seed selection. 



Commercial value of crops. 



Insecticides — preparation, use. 



Scoring of vegetables, etc. 



GRADE IX 



Work in Grades VII and VIII should be continued and extended in this 

 grade and in the High School. Also: 

 Farm animals. 



Simple soil testing — for acidity, need of lime. 

 Tilling, irrigation, drainage. 



Testing and mixing of fertilizers. Interpretation of analyses. 

 Improvement of land. 



subsoil plowing. 



legumes, bacteria, green manure. 

 Commercial areas of the world. 

 Possibilities of agriculture in the state and the region. 



