98 DISEASES OF GINSENG. 



CHAPTER XXIV. 

 DISEASES OF GINSENG. 



Results Obtained By Growers During 1910 From The 



Use Of Acid Phosphate. 



by prof. h. h. whetzel. 



These gardens have been selected from the total number 

 visited and repi-esent average conditions as we have found them. 

 Garden No- 1. — This garden had been treated with acid 

 phosphate at the rate of 1,000 pounds per acre. There was a little 

 fiber rot in the beds, but the owner sa.ys that it is not nearly as 

 bad as last year. This year he has very good seedlings in the 

 beds treated with acid phosphate, while last year his seedlings 

 nearly all went down with fiber rot. 



Garden No. 2 — This garden was treated with 1,000 pounds 

 acid phosphate per acre. There is some fiber rot in the older 

 plants, but not nearly so much as last year. He had a large num- 

 ber of seedlings in beds treated with acid phosphate which were 

 apparently free from fiber rot- 

 Garden No. 3. — These gardens were treated last fall with 

 acid phosphate at the rate of 1,000 pounds per acre. Last year 

 they suffered severely from fiber rot. This summer there was 

 still some fiber rot, but it was not nearly so bad as last year. 



Garden No. 4. — This garden, with the exception of a few 

 beds, had been treated with acid phosphate at the rate of 2,000 

 pounds per acre. It ha<], however, more or less fiber rot in all 

 the beds, especially in those containing younger plants. Four 

 beds which had been treated with lime last fall were gone down 



