EXPERIMENT STATION RECORD. 



Vol. III. ISSUED OCTOBER, 1891. No. 3. 



EDITOR lAL NOTES. 



TIio Associntioii of Aiiu'ricun AjLiiiciiltinal ('<>ll«^jiOi^ an*^ Exporiinoiit 

 Stations hekl its lit'tli iinuual coiivi'ution Auftiist IL'-IS at \\'asliiii<;ton, 

 ])istrietof Coliiinhia, in the lecture rooms of tho Coliiinliian University. 

 Tlicre were iircsciit 111.") (loh'iiates and representatives of collciics and 

 stations in .'57 States and Teiritories, and of tlie United States Depart- 

 jiicnt of Aiiiicnltnic. About the same time occurred the meetings of 

 thr Anu'rican Association for the Advancement of Scieia-e, tlie A.ssoci- 

 ation of Oflicial ^\j;ri(nltnral ("lieniists, tlie Society fortius Promotion of 

 Agricultural Science, the Association of Economic Entomologists, and 

 the Conference of American Chemists. 



A salient feature of the convention of colleges and stations was the 

 lectures of Mr. R. Warington, F. 1\. S., chemist of the experinu'ut 

 station at Kothamsted, England. This course of six lectures was the 

 first to be delivered under the i)rovisions of the l\otham.stvd trust, 

 instituted hy Sir John IJennetLaAves, and referred to in a jtrevious num- 

 ber of the Exi)eriment Station Record (see vol. iii, p. 73). The subjects 

 treated were: Tlie Rothamsted Ex])erinuMital Station : the circumstances 

 Aviiich det<M-mine the rise and fall of nitrogenous matter in the soil : nitrili- 

 cation; nitrification and denitrilication : nitrificationofsoilsand manures: 

 drainage and well waters. Mr. Waringtou's description of the Avork 

 of the Rothamsted Station and his umwo d«^tailed accounts of tlie ]>roc- 

 esses and results of the investigations of problems (»f nitiilication were 

 fallowed with much interest by the scientists present, and will consti- 

 tute a valuable contribution to the literature of scientific investigations 

 in agriculture. A full report of these lectures and of the jirocci'dings 

 of the convention will be issued as bulletins of this Oflh-e at an early 

 date. 



Dr. n. H. Goodell, president of the Massachu.setts Agricultural Col 

 lege and director of the Massachusetts Hatch Station, presided at the 

 session of the first day of the convention, but was afterwards compelled 



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