INDEX 



Acetic acid. See Acid, acetic. Page 



Acid — 

 acetic — 



effect on apples in storage 215 



in sunflower silage 326 



aconitic, in juice of Sorghum -vulgare 17-22 



butyric, in sunflower silage 326 



citric, in juice of Sorghum -vulgare 17-22 



formic, eSect on apples in storage 21s 



hydrocyanic, in Sudan grass 447-450 



lactic, in sunflower silage 326 



malic, in juice of Sorghum, vulgare 17-22 



oxalic, in juice of Sorghum, vulgare 17-22 



propionic, in sunflower silage 326 



sulphuric, effect on germination of barley 



pollen 532 



tartaric, in juice of Sorghum vulgare 1 7-22 



Acid soils, effect of carbonates of calcium and 

 magnesium 119-125 



Acidity of — 

 acid soils, effect of carbonates of calcium 



and magnesium 122-124 



cereal products, method of measuring 33-49 



sunflower silage 326 



water-free composts 331-332' 336 



Acids — 



amino, in cereal grains 391) 397-398 



toxic limits 272 



Aconitic acid. See Acid, aconitic. 



Acrcm.onium cleoni. Syn. Sorosporella uvella. 



Aerobic bacteria in acid soils treated with car- 

 bonates of calcium and magnesium 1 19-1 24 



A gropyrum — 



caninum, host plant of Oscinis frit 471 



re pens, host plant of Oscinis frit 471 



tenerum, host plant of Oscinis frit 471 



A gratis — 



segetum, host of Sorosporella agrotidis 401 



ypsilon — 



at light traps 477-481 



host of Sorosporella uvella 405, 432-436 



Albuminoid nitrogen in juice of Sorghum 

 vulgare 20-2? 



Albumins, protein in Zea mays 39' 



Alcohol — 



effect on apples in storage 215-216 



ethyl, effect on apples in storage 215 



Aldrich, J. M. (paper): European Frit Fly 

 in North America 451-474 



Alfalfa, brown and black — 



feeding value 303-304 



loss of organic matter 299-304 



■'Alkali." soils, effect of lime on salts 347 



Alkaline salts, toxic limits 271 



Allard, H. A., and Garner, W. W. (paper): 

 Effect of the Relative Length of Day and 

 Night and Other Factors of the Environ- 

 ment on Growth and Repffodurtion in 

 Plants S53-'^o6 



Almond, Indian. See Terminalia calappa. Page 



Allernaria spp., effect of dry heat 381-390 



Alum, potassium, effect on sodium-chlorid 



tolerance of wheat seedlings 352 



Aluminum oxid, effect of sodium-sulphate 



tolerance of wheat seedlings 353 



Alypia octomaculala at light traps. . 477-481 



Ambrosia ariemisiifolia, effect of relative 



length of day and night 565 



Amid nitrogen in juice of Sorghum vulgare . . . 20-22 

 Amino acids. See Acids, amino. 

 Ammonium — 



nitrate, effect on yield in acid soils 121-122 



sulphate, toxic limits 272-274 



Amygdalus persica, host fruit of Ceratitis 



capitata 442-446 



Anaerobic bacteria in acid soils treated with 

 carbonates of calcium and magnesium . . . 1 19-124 



Anisota rubicunda at light traps 477-481 



Annuals, rel.itionship to biennials and per- 

 ennials 579-581 



Anthony, Stephen, and Harlan, Harry V. 



(paper): Germination of Barley Pollen .. . 525-535 

 Anuraphis -malifoliae, reproductive period .... 321 

 Apantesis — 



Persephone at light traps 477-481 



virgo at light traps 477-481 



vittata at light traps 477-481 



Aphis, apple-grain 311-324 



Aphis — 

 avenae. Syn. Rhopalosiphum prunifoliae. 

 cerasijoliae. Syn. Rhopalosiphum pruni- 

 foliae. 



pomi, apterous and alate forms 316 



pseudoavenae . Syn. Rhopalosiphum pruni- 

 foliae. 

 Apple, rose. See Eugenia jambos . 



Apple-Grain Aphis (paper) 311-324 



Apple-scald — 

 effect of — 



aeration 221-225 



air-cooled storage 225-227 



carbon dioxid 213-215 



delayed storage 221-223 



gas absorbents 216-217. 223-236 



humidity 211-212 



maturity of fruit 220-221 



orchard conditions 218^219 



oxygen 212 



ozone 212-213 



storage packages 230-233 



temperature 219-220, 223-225 



tissues affected 217 



Arachis hypogaea, host of Sclerolium rolfsii . 127-128 

 Army worm. Sec Prodenia eridania. 



Arsilonche atbovenosa atVightUSips 477-481 



Ash- 

 bone, in poultry rations 394 



in brown and black alfalfa 301-303 



(607) 



