14 



BULLETIN 102, U. S. DEPARTMENT OF AGRICULTURE. 



Table VIII. — Samples representing com on the farm, at country shipping points, at 

 terminal markets, and at foreign ports, showing the increase in degree of acidity in direct 

 proportion to the decrease in percentage of germination . 



Source of samples. 



Item of comparison. 



Samples 



which showed a range in the percentage 

 of germination from — 





0to20 



21 to 40 



■11 to 60 



61 to 80 



81 to 100 



Ind ividual ears from farm 



/Xumber of samples 





2 

 29.9 



2 

 20.6 



9 

 18.2 



131 



cribs. 



\Average acidity c.c. 





16.6 



Country elevator receipts 

 and shipments. 



fNumber of samples 



\ Average acidity c. c . . 



7 

 29.8 



28 

 21.1 



60 

 18.9 



86 

 19.3 



21 

 19.6 



Terminal market receipts. 



(■Number of samples 



\ Average acidity c. c. . 



598 

 26.6 



657 

 21.8 



968 

 19.6 



1,830 

 19.3 



1,058 

 18.6 



Corn discharged at for- 

 eign ports. 



/Xumber of samples 



(Average acidify c.c. 



167 

 39.9 



129 

 25.5 



76 

 25.5 



74 

 21.5 



9 

 18.0 



EFFECT OF POOR CARS ON THE CONDITION OF CORN. 



Corn often arrives at terminal markets in care with leaky roofs, 

 and not infrequently the grain directly under the leaky part becomes 



k 



M 



*ro 



3S 

 36 

 3* 



32 



30 

 2S 

 26 



so 



22 

 20 

 /<? 



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SO 



S5 

 SO 



45 



36 

 30 

 S3 

 SO 

 /£ 

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22 24 26 23 3 



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22. 30 2S 26 30\ 1 J 



> £ 7 9 1/ 13 /S 17 19 i 



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Fig. 11. — Curves showing the increase in degree of acidity and the decrease in percentage of germi- 

 nation through advancing stages of deterioration in a car of corn. 



wet and reaches advanced stages of deterioration while the greater 

 part of the corn in the car remains sound and in good condition. 



Table IX shows the results of acidity and germination tests made 

 on samples taken from both the good and bad parts of such cars. 



Table IX. — Comparison of the average acidity and the average germination of com 

 sampled in the good and the bad parts of cars received at a term inal market. 1 



Source of samples. 



Average 

 acidity. 



Average 

 germina- 

 tion. 



Good part of ear. 

 Bad part of car.. 



C.c. 

 18.6 

 23. 4 



Pi r a at. 



i'>7. 7 

 19.0 



1 These results represent an average of 7:; cars. 



