424 Agkigultukal Experiment Station, Ithaca, N. Y. 



seen that the commercial fertilizer may be favorably compared to 

 the bnm uianiire, and that the commercial fertilizer produced 

 about tAvice the weight of tobacco as did tlie atljoin'ing plot which 

 received no fertilizer. 



Although the plots receiving the commercial fertDizer received 

 the same number of pounds each of plant food, the slight diffei-- 

 ence in yield in tobacco can n.ot safely be attributed to the differ- 

 ence in the quality of the potash applied withoTit being corrobor- 

 ated by other trials. 



Wliile the yield of tobacco from the plot treated with bam 

 manure was somewhat greater than the yield fwm the plots 

 treated with commercial fertilizers, it is not at all certain that 

 more tobacco was grown for the plant food supplied on the 

 manured plot, than on the plots treated with commercial fertilizer. 



GEOKGE C. WATSON. 



RESIDUARY EFFECT OF A GRAIN RATION FOR COWS AT 



PASTURE. 



During the summer of 1891, an experiment was made in feed- 

 ing grain to a herd of milch cows at pasture. In st4ecting this 

 herd the aim had been to secure a herd where the practice had 

 not beeai to feed grain while at pasture, and where the conditions 

 as regaixls the pasture and the care of the animals would fairly 

 represent a large proportion of the farm dairies of the State. 

 Such a herd was found at McGrawviUe, the property of C. M. 

 and W. L. Bean, and placed at the disposal of the officers of this 

 station in conducting this expeilment, which lasted fi-om May 

 twenty-second to October twenty-third. 



The results of this experiment were published in detail in Bulle- 

 tin 3G, December, 1891, and may be briefly stated as foUows. 



j\. herd of sLxteen cows, thoroughbred and gnuie Jerseys, was 

 divided into two lots of eight each. Lot I received: 



Pounds 



Com meal 2,000 



Cotton-seed meal 1,300 



Bran 1,300 



Total pounds of grain 5,200 



