336 



Journal of Agricultural Research 



Vol. in. No. 4 



Tabi.K I. — Carbohydrate transformations in sweet potatoes stored in the farm cellar 



BIG STEM 



Oct. 30 



Nov. 8. 

 Dec. 6. 



Jan. 4.. 

 Feb. I. 



Mar. I . 



Mar. 3o 

 Mar. 26 

 Apr. 16 



June I . 



Water. 



P.cl. 



73-50 

 72.99 

 71.89 



72.06 



73.02 

 72.49 

 72.87 



Starch. 



P.cl. 

 19.07 

 16.94 

 16. 42 



13-44 

 14.47 

 14. 20 



14. 63 



Cane 



sugar. 



P.cl. 

 1.90 



3-51 

 3-94 



6.96 



6.40 

 5. 61 

 6.03 



5-85 



Reduc- 

 ing 



sugar 

 as glu- 

 cose. 



Total 

 sugar 

 as glu- 

 cose. 



P.cl. 

 0.90 

 1.32 

 1.40 



1.23 



J. 10 



.87 



.90 



.87 



p.cl. 



3. 90 



S. 03 



s-ss 



8.04 



s. 76 



7.84 

 6.77 



7-24 



Total 

 carbo- 

 hy- 

 drates 

 as Glu- 

 cose. 



p.cl. 



34.09 

 23-85 



23-79 



22. 77 



22.8s 



23.03 



I 



Gain or 

 loss of 

 starch 

 (as glu- 

 cose). a 



2.36 

 ■58 



-1-13 



+ -39 

 -t-l. 14 

 — .30 



-I- .47 



Gain or 

 loss of 

 sugar 

 (as glu- 

 cose). a 



Gm. 



H-3. 12 

 + -Si 



+ -35 



— I. 07 

 + -47 



Average 

 weekly tem- 

 perature. 



"C. 



26. 7 

 21. 7 



16.7 

 16.7 

 15.6 

 15.0 



IS-O 

 18.3 

 15.6 

 14.4 

 12.8 

 II. 7 

 12.S 

 16. I 

 15- O 



610.3 

 16.7 

 144 



''150 

 15.0 

 16. I 

 16. I 

 iS. 9 



16.7 

 17.8 



20.6 



18.9 

 18.9 

 17.2 

 21. 1 

 21. I 



Oct. 



Week 

 iding — 

 'ct. 30 

 -lov. 6 

 Nov. 13 

 Nov. 30 

 Nov. 27 

 Dec. 4 

 Dec. 11 

 Dec. iS 

 Dec. 35 

 Jan. I 

 Jan. 8 

 Jan. 15 

 Jan. 22 

 Jan. 28 

 Feb. 5 

 Feb. 13 

 Feb. 19 

 Feb. 26 

 Mar. 4 

 Mar. II 

 Mar. iS 

 Mar. 25 

 Apr. I 

 Apr. 8 

 Apr. IS 

 Apr. 23 

 Apr. 29 

 May 6 

 May 13 

 May 30 

 May 27 

 June 3 



SOUTHERN QtJBEN' 



Oct. 23..., 

 Nov. 10. . . 



Dec. 7 



Jan. II. . . , 



Feb. 3.... 



t 



Feb. 2S. . , 



Apr. 8 



May 4 



June 4 



Oct. 30 

 Nov. 6 

 Nov. 13 

 Nov. 20 

 Nov. 27 

 Dec. 4 

 Dec. II 

 Dec. 18 

 Dec. 25 

 Jan. I 

 Jan. 8 

 Jan. IS 

 Jan. 23 

 Jan. 28 

 Feb. 5 

 Feb. 13 

 Ffb. 19 

 Feb. 26 

 Mar. 4 

 Mar. II 

 Mar. 18 

 Mar. 25 

 Apr. 1 

 Apr. 8 

 Apr. IS 

 Apr. 22 

 Apr. 29 

 May 6 

 May 13 

 May 20 

 May 27 

 June 3 



a Per 100 gm. of material. 



^ Record obtained for only one day of this wt-pk. 



