44 a EXPERIMENT STATION. [Jan. 



(c) Molassine meal as au ecouomic food for farm stock. 

 The experiment indicated that, at the same moisture content, 

 1 ton of Molassine meal contained substantially 900 pounds of 

 digestible organic matter, as against 1,400 pounds for corn 

 meal. On this basis Molassine meal would have scarcely two- 

 thirds of the nutritive value of the corn. An experiment with 

 milch cows was made in which 4.3 pounds of corn meal were fed 

 against 4.3 pounds of Molassine meal. The cows yielded some 

 14 per cent, more milk on the ration of which corn meal was 

 a comjDonent. 



(d) Studies have been continued on milk substitutes for 

 dairy calves and the food cost of rearing dairy heifers until 

 two years of age. 



2. Work of the Fertilizer Sectiox. 

 The principal work of the fertilizer section has been the 

 annual inspection of commercial fertilizers. There has been 

 a decided increase in the work of the fertilizer inspection from 

 year to year. A larger number of commercial fertilizers has 

 been registered, collected and analyzed during 1913 than for 

 any previous year. 



(a) Fertilizers registered. 

 One hundred manufacturers, importers and dealers, including 

 the various branches of the large corporations, have secured 

 certificates for the sale of fertilizer, agricultural chemicals, raw 

 products and agricultural limes in the Massachusetts markets 

 during the season of 1913. They may be classed, as follows : — 



Complete fertilizers, 



Fertilizers furnishing phosphoric acid and potash, 

 Ground bone, tankage and di-y gTound fish, . 

 Chemicals and organic nitrogen eomjiounds, . 

 Agi'icultural limes, 



346 



g 



58 



101 



27 



541 



