APPENDIX xxi 



kinds are used? Which kinds are preferred? For what crops 

 is the liming done? Does it help them? Let pupils make 

 surveys to obtain answers to these questions. 



4. Make a survey regarding the care, management, an^ 

 uses of barnyard manure. 



5. Make a similar survey regarding use of commercial 

 fertilizers kinds, grades, prices, for what crops, benefits, 

 home mixing, ingredients purchased. 



6. Start home projects to prove the benefits of liming, 

 use of barnyard manure, commercial fertilizers. 



CHAPTER IX. SYSTEMS OF CROPPING. 



1. Make a survey to determine what rotations in crop- 

 ping are practiced in the community. What are the best 

 ones? 



2. Long projects in crop rotations, may be started in 

 connection with those in the preceding chapter. 



CHAPTER X. FARM CROPS. 



1. Determine how many of the different classes of crops 

 enumerated at the first of this chapter are grown in the 

 community. Which are important crops? which minor crops? 



2. What farmers are using the soiling crop system, wholly 

 or partially, in the summer season? 



3. Start projects with pigs, cows, or calves, to compare 

 the expense and value of soiling systems and pastures, and 

 perhaps summer silage. 



4. Start projects in the growth of crops that should be 

 encouraged in the region. 



5. Start projects in pasture improvement using methods 

 suggested at the last of the chapter. 



CHAPTER XI. ALFALFA. 



1. Let pupils make surveys among the farmers to deter- 

 mine how many of the alfalfa rules are followed. 



2. Start alfalfa projects to bring out the most important 



