10101 HORTICULTUItE. 837 



Applying the furrow manure in citrus groves, A. D. Shamei, {Cal. Citrofjr., 

 ') (1919), No. 1. p. Jf, flgx. If). — Some aflditioiuil notes on methods of applying? 

 manures in furrows (E. S. R., 38, p. 845). 



Report on the yield of coffee trees in the Surinam cultural garden during" 

 the year 1918, with comparative data for previous years, E. Van Deent 

 (Dc[)t. LamJh. ^uriname VersJag. 1918, pp. fil-SS). — Yield data are given for 

 several lots of trees of different varieties of coffee that were grown from 

 .selected trees. In many cases records are given for the four years, 1915-18. 



Olive growing and oil pressing, A. Opazo O. (Cartilla Prdctica sobrc el Cul- 

 tirn del Olivo i Elaboracion del Acelte. Santiago de Chile: Serv. Agron. Rejion. 

 i En-feruntsa Agi: Ainbulantc, I91S, pp. 63, figs. 28). — Practical instructions on 

 olive culture and the manufacture of olive oil, with special reference to con- 

 ditions in Chile. 



Manual cf practical olive culture, G. Vitetta {Manuale di Olimcoltura Prac- 

 tica. Casalc Monfcrratn, Italy: Marcacnlclii Bros., {191. 'i\, pp. XVI+260, figs. 

 14). — The introductory part of this manual deals with the history and im- 

 portance of olive culture, clhnatic and soil requirements, varieties, and the 

 selection of varieties for starting new groA'es. The succeeding parts deal with 

 the propagation of olives, planting, cultural details, insect pests, and diseases 

 and their control. 



The palms of the Philippine Islands, O. Beccari (Philippine .lour. Sci., I'l 

 (1919), No. 3. pp. 295-3S2, pis. 3). — A descriptive account of the Philippine 

 species of palms, including a conspectus of species of each genera. 



A pineapple fertilizer experiment, P. Gonzales (Jour. Dept. Agr. and Labor 

 Porto Rico, 3 (1919), No. 1, pp. 6-13, pis. 2). — A preliminary report on an ex- 

 periment started by n. B. Cowgill at the Porto Rico Insular Experiment 

 Station. 



The experiment as here outlined consists of a trial of complete fertilizers 

 of different compositions. The yield records for the first season are presented, 

 and the results thus far secured indicate that nitrogen exerts the greatest 

 influence on production, followed by potash. Heavy applications of acid phos- 

 phate appear to be inji:rious. Generally speaking, fertilizei's have increased 

 the yield as compared with no fertilizers, and there is some evidence in favor 

 of organic as compared with inorganic fertilizers. 



First report on fruit culture as practiced round about Tharushah (Sind) 

 in Nawabshah District, M. U. F. Barakzai (Drpt. Agr. Bombay Bui. 88 (1918), 

 pp. 18).- — This comprises notes on native methods of propagating and growing 

 the mango, orange, and ber or jujube (Ziziphus jujuba), including suggestions 

 for improvement in cultural methods. 



A variety nut orchard (Missouri Bot. Gard. Bui., 7 (1919), 2\^o. 8. pp. 129- 

 182). — A descriptive list is given of varieties of pecans, black walnuts, Persian 

 walnuts, and hickory nuts included in the nut orchard at the Missouri Bo- 

 tanical Garden, St. Louis. 



[Note on the condition of trees at the Hettinger substation, 1918], U. J. 

 Downey (North Dakota Sta. Bui. 130 (1919), p. .56).— Brief notes on the con- 

 dition of shelter belts and ornamental and fruit trees growing at the substa- 

 tion in 1918 are given. 



Commercial drug growing in the United States in 1918, \V. W. Stockberger 

 (.lour. Amer. PJiarm. Assoc, 8 (1919), No. 10. pp. 807-811).— A paper on this 

 subject read before the scientific section of the American Pharmaceutical As- 

 sociation in November, 1919, in which the present cultural status in the United 

 States of some of the more important drug plants is considered. 



