364 CITRUS FRUITS AND THEIR CULTURE. 



Moisture is present in the soil in greater abundance un- 

 der the shed than outside. Die-back may result from the 

 same methods of cultivation as might be used with per- 

 fectly satisfactory results outside. Less cultivation 

 should be given shedded groves and chemical fertilizers 

 only should be used. 



All things considered, a shed constructed after the 

 model . of Mr. Stevens, manager of the J. B. Stetson 

 groves, at DeLand, Fla., is probably the most satisfac- 

 tory. A shed of this pattern, erected by G. L. Taber, of 

 Glen St. Mary, Fla., for the purpose of protecting healed 

 in nursery stock, is illustrated in Plate XXIII. The posts 

 are four by four, the framework is made of inch boards, 

 built together like angle iron. An ample supply of braces 

 is provided and the structure is very substantial. The 

 cover and walls are made in panels. These are made of 

 one-half-inch boards, four feet long, nailed between 

 three one-inch strips which run lengthwise of the panel, 

 The panels may be made of any desired lengths, sixteen 

 feet being found quite desirable. They must, however, 

 be of such a length as to lap on the cross beams of the 

 roof. When it is desired to open up the shed, the pan- 

 els of the roof are piled on top of one another on the 

 framework. If so desired, the side-walls and all the 

 covering may be removed, leaving nothing but the frame- 

 work. 



It must be borne in mind that, as in the case of 

 tents, the shed alone will not protect the trees. Fires 

 must be provided with which to elevate the temperature; 

 either wood, coal or oil may be used. 



