126 FIELD AND LABOEATORY STUDIES OF CROPS 



planted at that time. Successions allow of a much greater 

 variety of produce being raised on a given area than would be 

 possible by single planting. 



The following are a few suggestions for successions: 

 Celery to be used succeeding radishes, lettuce, onions, tur- 

 nips, spinach, early potatoes and other early crops; turnips 



Fig. 53. — Berry Boxes may be Used to Advantage for Starting Tomato 

 or Other Plants Indoors in the Early Spring. 



after the same vegetables; beets following lettuce, radishes, 

 etc.; early sweet corn replaced by beans, early potatoes by 

 late sweet corn. There is opportunity for making a very 

 large number of combinations, but the above are given 

 rnerely as examples. The home or school garden can be 

 used by the teacher as a laboratory for the demonstration 

 of the principles of soil management and for illustrating 

 methods of plant propagation. 



