CONTENTS. Ill 



Page. 



Phosphate rock, J. Struthers 750 



The Htassfurt industry 751 



Gypsum, J. ytruthers 751 



Yearbook on the use of commercial feitiUzers, 1903, INI. Ulhnann 751 



Consumption of fertihzers 751 



KIEM) CEJOPS. 



Results obtained in 1902 from trial plats of grain, etc., W. Saunders 751 



Report on experiment stations in India, 1902, AV. H. Moreland 752 



Field trials at the Agricultural ( 'ollege of Norway, 1901, B. R. Larsen 753 



Cooperative fertilizer experiments in Sweden, 1901, P. Bolin 753 



Fertilizer tests with kainit and Thomas slag, V. von Knirim 753 



Rotation experiments, A. L. Yakovlyev 753 



Range improvement, J. J. Thornber 754 



Hanna l)arley, A. Cserhiiti 754 



Experiments with cotton in 1902, G. P. Foaden 754 



Egyptian cotton, A. J. McClatchie 754 



Rotation and inoculation of leguminous crops, C. Fruwirth 754 



Studies on the potato, E. P>rcal 754 



Potash and phosphoric acid in the leaf ash of potato varieties rich in starch, 



J. Seissl and E. Gross 755 



Variety tests with potatoes, E. S. Brown 755 



The pollination and fecundation of rve', K. Ulrich 756 



Saltbushes, J. J. Thornber '. 756 



Sugar beets, R. H. Forbes and W. AA'. Skinner 756 



The sugar beet, L. Geschwind and E. Sellier 756 



Fertilizer experiments with sugar beets, D. N. Pryanishnikov 756 



Variation in sugar content of swedes under different conditions, S. H. Collins. 756 



"Wheat culture in Central and Southwestern Russia, A. Borchardt 756 



Assimilation of jjlant food in wheat and rye, H. Juhlin-Dannfelt 756 



Production of economic plants in the Desert of Sahara, E. Diirkop 757 



Statistics of field croj^s 757 



HORTICULTURE. 



Problems in orchard pollination, G. O. Greene 757 



Self-sterility of orchard fruits, Ewert 759 



The sweating of apples, R. Otto 759 



Cold storage of fruit 760 



The relation of color to the killing of peach buds by cold, J. C. Whitten 760 



The date-palm orchard, R. H. Forbes 761 



Dates, A. J. McClatchie 761 



Variety tests of strawberries, O. INI. Tavlor 761 



Strawberries, A. J. McClatchie '. 761 



New methods of grafting and budding vines, E. H. Twight 761 



A study of grape pollen and what the results indicate, N. O. Booth 762 



The management of greenhouses, E. Lonsdale 763 



Mature v. immature lily bulbs, A. F. Woods 763 



Statistics of horti(;ultural products 763 



FORESTRY. 



Eucalypts, A. J. McClatchie 765 



Spontaneous groups of seedlings, A. C. Forbes 765 



The future of our public forest lands, F. Roth 765 



Review of lumber trade and forest interests of the South, 1902, D. W. Baird. . 765 



Forest conditions in southern Arizona, R. S. Kellogg 766 



The forests of Rhode Island, F. W. Card 766 



Forestry in Germany, J. E. Kehl 766 



Forestry in Natal, J. S. Lister 766 



Tree growing at high elevations in Ceylon 766 



Blue gums as forest trees, C. H. McNaughton 766 



Wood and cork, E. d'Hubert 767 



