CONTENTS. 



PAGE. 



THE FERTILIZER REQUIREMENTS OF CITRUS TREES_H. J. Webber 225 

 SOME COMMON MISCONCEPTIONS WITH RESPECT TO SOILS 



AND SOIL FERTILITY Chas. B. Lipman 231 



SMELTER FUMES INJURY TO VEGETATION Geo. P. Weldon 240 



COMBINATION SPRAYING EXPERIMENT FOR THE CONTROL 

 OF MILDEW AND LEAF HOPPERS ON GRAPEVINES-—* 

 S. W. Foster 250 



WALNUT BLIGHT OR BACTERIOSIS: Clayton O. Smith 254 



SUDAN GRASS O. W. Newman 259 



CROP REPORT AND STATISTICS Geo. P. Weldon 263 



GENERAL NOTES— 



Some Fundamentals of SucceSvS for Securing Large Yields 



of Potatoes ^V- V. Sliear 265 



Pear Blight A.. J. Cook 267 



The Alfalfa Weevil i -4.. J- Cook 269 



Some Misconceptions H. 8. Smith 269 



The Forty-sixth California State Fruit Growers' Convention 



A. J. Cook 270 



"Little Leaf" Disease of Fruit Trees Geo. P. Weldon' 271 



Citrus Culture in New South Wales A. J. Cook 272 



Review of "Key to the Families of North American Insects" 



A. J. Cook 272 



Decisions of the Attorney General Relating to the Holding 

 OF Examinations for the Position of County Horticultural 

 Commissioner A. J. Cook 272-^ 



The Potato Prize A. J. Cook 273 



COUNTY COMMISSIONERS' DEPARTMENT— 



The Misuse gf the Distillate Oil Msciianical Mixture 



A. A. Brock 274 



Weed Notes From County Commissioners O. W. Newman 275 



^s'ATURAL ENEMIES OF THE SUGAR BEET LEAF-HOPPERS 



IN CALIFORNIA__WiLLiAM J. Hartung and Henry H. P. Severin 277 



CALENDAR OF INSECT PESTS AND PLANT DISEASES__E. J. Vosler 280 



INSECT NOTES 2S5 



V.QUARANTINE DIVISION— 



Report for March, lOl.Ti Frederick Maskew 2S7 



