Index 



University [of California] Farm, 140, 

 244. 



Valencia orange, 321, 328, 329; plate 

 showing clean break between style 

 and ovary, 362. 



Van Bemmelen, J. F., cited, 272. 



Variability in Soil and Its Signifi- 

 cance to Past and Future Soil In- 

 vestigations, 243; literature on, 

 244; investigation, 244; in soil of 

 experimental area,, 266; seasonal 

 variation, 267; biologic variation, 

 267; variations of manipulation, 

 267; summary of conclusions, 

 268-269. 

 .Methods of study. 

 of variability, 

 (mathematical 



244-247; criterion 



246; calculations 

 treatment). 247- 

 248; statistical tables, 249-253; 

 discussion of experimental results, 

 2-53—254; errors due to colorimeter, 

 254—258, to sampling, 259-265, 

 267; representative and composite 

 samples, 265; variation, 267. 



Verbascum, sp., 291. 



Volume tables, defects in, 55, 56. 



Washington Navel Orange, An In- 

 vestigation of the Abnormal 

 Shedding of Young Fruits of the, 

 283. 



Washington Navel orange, problem of 

 the June drop, 37-40, 285-304; 

 effect of environment on, 283- 

 284; abnormal characteristics, 

 284; hybrid origin, 284, 329; soil 

 conditions in experiments on, 

 285; blooming of, 288; abscission 

 in, 288-291, 294, 297, 310, plate 

 showing effects of, opp. 358; tem- 

 peratures of fruit, 320; effect on, 

 of water deficits, 321, of straw 

 mulches, 330; dry heat resistant 

 strains, 331; purpose of pruning, 

 329; plates showing: orchards of. 

 opp. 334, 336, 338, 340; leaves re- 

 moved, opp. 342; wounds by katy- 



did, opp. 348; terminal and axil- 

 lary fruits, opp. 350; apical end 

 of ovary, opp. 352; infection with 

 Alternaria citri, opp. 354; effects 

 of abscission, opp. 358. See also 

 Abnormal Shedding of Young 

 Fruits, etc.; Abscission; Alter- 

 naria citri; Citrus; Citrus trees; 

 Water relations; etc. 



Water, holding power of soil over, 

 131. 



Water (moisture) content, 39, 40, 41, 

 42, 53, 319. See also Moisture 

 conditions, etc. 



Water relations, in Citrus, 37, 39, 43- 

 48, 50; literature on, 39; methods 

 of study, 40; as stimulus to abs- 

 cission, 309-321; factors operative 

 in causing strains in, 321-329. 



Water transport studies, experiments 

 on Citrus, 47. 



Way, J. T., cited, 271. 



Waynick, D. D., 135, 243; acknowl- 

 edgment, 132. 



Wiegner, G., cited, 272. 



Wilting point in soil, 29. 



Windbreaks in citrus orchards, 329. 



Wine Yeast (Saccharomyces eUlpsoid- 

 eus), Toxic and Antagonistic 

 Effects of Salts on, 63. See also 

 Saccharomvces ellipsoideus 



Wiskocil, C. T. 

 132. 



Wolff, J., cited, 



Worden, W. W 

 333. 



Wright, D., Jr., acknowledgment to, 

 269. 



Wyatt, F. A., cited, 162. 



Yolo silt loam, 7. 



Zeolites, 272. 



Zinc sulphate, 144, 152, 153, 158, 159, 

 164, 206, 207, 212-215. 



Yeast. See Saccharomyces ellipsoid- 

 eus. 



acknowledgment to, 



158. 



, acknowledgment to, 



Page 126. 

 Page 138, 

 Page 144, 

 Page 172, 

 Page 178, 

 Page 180, 



Page 182, line 2. 



ERRATA 



For Musct read Muscat, 

 line 2 from bottom. For Pantelli read Pantaneli. 

 line 21. For McGowan read Magowan. 



For Magnesium Sulphate read Magnesium Chloride. 

 For Magnesium Chloride read Magnesium Sulphate. 

 For Potassium Chloride read Magnesium Sulphate 4- 



Calcium Nitrate. 

 For Magnesium Sulphate + Calcium Nitrate read 

 Potassium Chloride. 



line 2. 

 line 2. 

 line 2. 



[506] 



