410 ARID AGBICULTUKE. 



in the spring with the glass facing the south to 

 catch the sun. Take them off during the warm 

 parts of the day to allow the plants to get air, 

 and to dry off any accumulated moisture. Some- 

 times the soil may be made several degrees warm- 

 er in the spring by rolling with a smooth roller. 

 Break it up again with the harrow in a few days 

 to save the moisture. The suggestions here made 

 along with suggestions for protecting from frost, 

 enable us to grow more tender plants and keep 

 them producing a longer time. 



