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The false floor of the bins is made of 7-8 x 4 inch slats laid one inch apart, on 2 

 X 4 inch sills. Division walls should be of 2 x 4 inch uprights on the 2 inch side 

 of which are nailed 7-8 x 4 inch strips, leaving a one inch space for ventilation. 

 Bins should thus have a 4 inch space separating them. For. the front of the bin 

 movable 7-8 x 4 inch strips fitting in grooves attached to the uprights are used. 

 The strips may be put in gradually as the bin is filled. Such a bin gives ventila- 

 tion, ease in getting potatoes out, while cleaning each summer is easily done. This 

 bin has proved a success at Macdonald College, and is in use by t-he U. S. A. 

 Dept. of Agriculture. 



Bearing in mind some of the points suggested we find that the potato ranks 

 next to wheat as a food. Quebec produced 38,936,000 bushels worth $38,157,000 

 in 1918. At the Central Experimental Farm, Ottawa, potatoes have been produced 

 on a small plot at the rate of 722 bushels per acre. 



The annual loss through shrinkage, frost, decay, and wilt in storage is be- 

 lieved to be 8 to 107f of the annual crop. 



Improperly stored, or diseased potatoes are subject to a member of prevent- 

 ible diseases. These are in general parasitic fungous and bacterial diseases, and 

 non-parasitic troubles. Diseased, bruised, frosted, tubers should not be stored with 

 sound potatoes. 



Diseased potatoes may be sprinkled with hydrated lime, and if carefully 

 stored rot is less than with untreated potatoes. Potatoes should be picked over 

 and the diseased removed from time to time. Diseased seed should not be used. 

 It is partly worthless and spreads the trouble in the field. Unsound tubers should 

 not be sold unless marked plainly.. 



Important factors in good storage are a temperature of 36-40*^ F., exclusion 

 of sunlight, good ventilation, but protection from frost, and fairly moist condi- 

 tions. 



Potatoes temporarily stored in the fields should be carefully protected from 

 frost and rain. 



In cellar storage, the use of small rather than large containers or heaps is 

 advisable. 



For the commercial grower, the dug-out or partly underground storage may 

 well be used. A frost proof house is an essential, and this requires insulated walls. 

 The insulation may consist of strawy manure outside. Ventilation is necessary in 

 fall and spring. Easily ventilated crates or bins are better than storage on the 

 floor, to avoid dampness, and black heart. 



Finally, careful shipping pays. Pack well and avoid rough handling. Bruising 

 and shaking in transit should be prevented. Ship in clean, tight cars which must be 

 warmed in winter. 



