Index 



ture percentages, 28-29; wilting 

 point, 29; ratio of growth to 

 moisture percentage, 30; sum- 

 mary, 31. 



Leptoglossus phyllopus, 292 note 18. 



Liebig, J., cited, 271. 



Light changes, effect of, on abscis- 

 sion in Washington Navel orange, 

 292. 



Lillie, E., cited, 83, 87, 89, 92, 96. 



Lime, in relation to soil, 272-282, 475; 

 and iron, absorption relationship, 

 140. 



Lime-magnesia ratio, 160-162. 



Limoneira Company of Santa Paula, 

 California, 25. 



Lipman, C. B., 25, 131, 271; acknowl- 

 edgment, 53, 166, 269, 285; cited, 

 64, 66, 69, 72, 73, 75, 78, 90, 92, 

 96, 150. 



Lisbon lemon, used in moisture con- 

 tent experiment, 26, 31. 



Literature cited, 101, 270. 



Lithium nitrate, 310. 



Litmus, solution, 66. 



Livingston, B. E., cited, 323. 



Livingston, B. E., and Brown, P. E., 

 cited, 39, 311. 



Livingston, B. E., white porous cup 

 atmometer, plate showing, 366. 



Lloyd, F. E., cited, 39, 40, 311, 326; 

 acknowledgment to, 333. 



Loeb, J., cited, 66, 69, 72, 73, 75, 79, 

 80, 85, 89, 90, 96, 136, 165. 



Lyon, T. L., cited 279! 



McCool, M. M., cited, 155. 



MacDougal, D. T., cited, 324. 



Macrosporium, genus, 300. 



Magnesium chloride, experiments with 

 on wine veast, 66, 68, 71, 72, 76, 

 87-90, 92-94, 97-98, 99-100, 101; 

 used in study of antagonism and 

 cell permeability, 144, 145, 159, 

 160-162, 163, 164, 170-175, 190, 

 191, 196, 197. 



Magnesium sulphate, 146, 147, 148, 

 155, 15'6, 176-181, 184, 185, 272. 



Magowan, F. N., cited, 69, 74, 75, 144. 



Malaga crops, figure showing, 117, 

 120. 



Maquenne, L., cited, 140. 



Marsh, C. D., cited, 140. 



Melilotus alba, 5. 



Meltzer, S. J., and Auer, J., cited, 87, 

 96. 



Mercuric chloride, 140, 144, 151, 154, 

 155, 159, 202, 203, 216-219. 



Micheels, II., Gies, and de Heen, P., 

 cited, 156. 



Micro-organic activities, 266. 



Mitra, S. K., 63. 



Miyaki, K., cited, 156, 157. 



Moisture Conditions Optimum, for 

 Young Lemon Trees on a Loam 

 Soil, 25; soil determinations, 2'i; 

 experimental results. 27: effect of 

 varying percentages of moisture 

 content in soil, 28, 29, 31, figures 

 showing, 32, 34, 36; wilting point, 

 29. 



Moisture (water) content, 39, 40, 41, 

 42, 52, 319. 



Moore, Anne, cited, 84. 



Mottled-leaf, 37. 



Mulches, straw, effect of, on setting 

 of Washington Navel oranges, 

 330-331. 



Mulching, effect of, on soil tempera- 

 ture, and on abscission, 330-3:'. 1. 



Muscat crops, figures showing, L20, 

 124. 



Musts, analyses of, from grape-ripen- 

 ing samples, 111. 



Narcosis, 139. 



New Grasses for California. I, Phal- 

 aris stenoptera Hack., 1. 



New Method of Extracting the Soil 

 Solution, 131. 



New Zealand, grass seed Phalaris 

 bulbosa from, 2, 3. 



Nickel, 158. 



Nitrate nitrogen, amount of, criterion 

 of variability in soils, 246, 266- 

 269'; statistical tables of nitrate 

 production, 249-253; laboratory 

 error, 254-258; sampling error, 

 259-265. 



Nitrification in Soil, A Statistical 

 Study of, 243; calculations, 247; 

 experimental investigations, 2"'.".. 

 472; value of post work on, 2'>7. 

 See also Variability in Soils and 

 Its Significance, etc. 



Nitrogen fixation, in soil samples, 

 472, 481, 482. 



Nutrient solution from pure materials, 

 66. 



Orange. See Bahia orange; Valencia 

 orange; Washington Navel orange. 



Oakley blow sand, used in experi- 

 ments, 273. 



Optimum Moisture Conditions for 

 Young Lemon Trees on a Loam 

 Soil, 25. See also Lemon trees. 



Opuntia, 325. 



Orange, Bahia, 284; Valencia, 321, 328, 

 329, 362; Washington Navel, 

 which see. See also Abscission; 

 Alternaria citri; citrus, etc. 



Organic matter content of soil, 27s. 



Osterhout, W. .1. V., cited, 64, 75. 87, 

 89, 90, 95, 138, L65, 296. 



Ostwal.l, W., cited, 69, 73, 89, 92, 96. 



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