EDITOR'S PREFACE 



This is a handbook for progressive vegetable growers. 



It is a reliable and up-to-date rule-book for both home gardening 

 and market gardening. It springs from Pennsylvania, a state great 

 in gardening owing to nearness to big cities and their markets ; and 

 Dean Watts, its author, is an experienced and widely recognized 

 authority in these fields. 



It is, also, a guidebook for studying vegetable growing thor- 

 oughly from all angles, — practical and technical, managerial and 

 scientific. It applies principles set forth in Vocational Agricultural 

 Education, the first book of this " Project Series." By its open 

 spacing, it offers a convenient framework for listing local problems, 

 questions, and plans. This open spacing should assist in keeping 

 help and self-help of the learner in desirable balance. It should 

 make the learner at once critical and self-reliant. 



The open-spaced " Calendar " of activities, in particular, should 

 lighten the labors of effective planning for both gardener and 

 teacher. The author, in his " Explanations and Suggestions," has 

 not overstated the importance of the reciprocally beneficial pro- 

 cesses of doing as an aid to learning, and of learning as an aid to doing ; 

 nor, of choice of the proposed project at the outset, in order that 

 every move may be made to count toward its successful outcome 

 as an enterprise that is to be both productive and educational. The 

 " Calendar " outlines summer study under field conditions, as 

 well as study during the usual school year. 



A set of supplementary loose-leaf guide sheets, for gardening 

 field trips, and surveys, group practicums and individual assign- 

 ments, laboratory activities, accounting and business forms, has 



