INDEX 



Abbot, J. B., 30. 

 Acid sick soils, 25 et seq. 

 Acrostalagmus panax, 113. 

 Actinomyces, 6. 



chromogenus, 317. 



attacking beets, 120. 



attacking radish, 209. 



Alkali sick soils, 34 et seq. 

 Allard, H. A., 84. 

 Allium cepa, 285. 



schoenoporasum, 284. 



Alphano Humus Co., 20. 

 Alternaria brassica, 196. 



var. nigrescens, 2,23. 



- panaXj 1 14. 



Ammoniacal copper carbonate, 



366. 



Ammonification, 14. 

 AnthericUum, n. 

 Aphis gossypii, 233. 

 Apium graveolens, 355. 

 Arthur, J. C., 117, 138. 

 Artichoke, Globe, diseases of, 

 139 et seq. 



Leaf spot, 139. 



Jerusalem, diseases of, 137 



et seq. 



Downy mildew, 138. 



Leaf blotch, 138 et seq. 



Rust, 138. 



Ascochyta armor aci&, 205. 



hortprum, 302. 



pisi, 277. 



Asparagus (officinalis), 280. 



diseases, 279 et seq. 



Leopard spot, 280. 

 Rust, 280. 



Asparagus, resistant to rust, 283. 



rust, natural enemies, 283. 



Atkinson, G., 43. 

 Available nitrogen, elaboration 

 of, 13. 



B 



Bacillus, 4. 



Bacillus carotovorus, 192. 



: attacking onions, 285. 



attacking salsify, 146. 



fluorescens liquefaciens, 14. 



putridus, 14. 



lathy 'ri, 261. 



on cowpea, 270. 

 phytopthorus, 316. 



melonis, 221. 



mesentericusvulgatus, 14,23. 



mycoides, 14, 23. 



pestifer, 23. 



pro tens vulgaris, 14. 



ramosus, 23. 



subtilis, 23. 



tracheiphillus, attaching cu- 

 cumber, 229. 



Bacteria, distribution in soil, 6. 



forms, 4. 



influence of depth of cul- 

 tivation, 8. 



number influenced by man- 

 ure, 9. 



relationship to function of 



soil, 5. 



Bacterium teutlium, 118. 



Balm diseases, 256. 

 Leaf spot, 256. 

 Rust, 256. 



Barus, M. F., 265. 



