PREFACE 



The exercises contained in this book have been tried in 

 high schools by the author. They are recommended for the 

 laboratory work in a one-year course in agriculture. There 

 should be two laboratory periods each week for this work if 

 possible. The value of having each pupil do the individual 

 exercises cannot be over-emphasized. Seeing and noting 

 the results, is believing, in laboratory work. These exercises 

 should accompany the regular class work. 



The exercises selected are simple and practical, and 

 require but little equipment. Many such exercises have been 

 tried out by the author, in his practice teaching work in 

 agriculture. All those that have been found too difficult for 

 the practice teacher to perform have been eliminated, so 

 that the ones here given can be taught by the average high 

 school teacher. The teacher can select from this list the 

 ones that are best suited to the local conditions. 



Every exercise in this book can be performed in the 

 average high school with a limited amount of equipment. 

 The equipment should be sufficient, however, for the size 

 of the class. No pupil can perform exercises without the 

 needed equipment any more than a mechanic can do his 

 work without tools. 



The suggestions for this work came from various sources, 

 such as the Ames School Circular No. 2, from which the 

 suggestions on corn were taken; and the Farm Crops and 

 Poultry Departments Score Card, Iowa State College. 

 The larger part of the material was gathered by the students 

 in the practice teaching class in agriculture. The author 

 wishes to express his thanks to these students for their help. 



S. H. D. 



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