96 MAINE STATE COLLEGE 



to the conclusion that the South Carolina rock has assissted in 

 increasing the crop of barley to an extent nearly equal to, if not 

 greater than, acid South Carolina rock. 



With the Black-eyed peas the stable manure gives the best 

 results, South Carolina rock standing next in order, and the 

 acid South Carolina rock at the foot of the list, so far as the 

 yield of peas is concerned. But with pea straw the South Caro- 

 lina rock gives the lowest returns. The effect of the phosphatic 

 manures on the yield of the Canada peas was but slight, and the 

 greatest effect of stable manure was in increasing the straw. The 

 gain in this direction was 619 lbs. per acre while the yield of peas 

 was only increased by 59 lbs. 



There is no way of accounting for the failure of the manures to 

 increase the yield of this crop in proportion to that of the Black- 

 eyed Marrowfat peas. 



In considering the yields of the crops grown on this field from 

 the standpoint of the amount of stock food produced by each 

 under like condition of fertilization it is but fair to state that the 

 peas possess about twice the value of the barley as a source of 

 albumnoids. The following table shows the yield per acre of 

 Barley, Black-eyed Peas and Canada Peas. 



Barley. Black-eyed Peas. Canada Peas. 



Plot 1 441 lbs. 648 lbs. 318 lbs. 



" 2 442 « 522 " 203 ■« 



" 3 434 '■ 402 •• 195 " 



'• 4 176 " 411 " 256 " 



The conclusions to be drawn from these figures are obvious. 

 Under the conditions of this experiment the growing of peas for 

 stock purposes is to be preferred to growing barley. The Black- 

 eyed Marrowfat pea yields double the amount of the Canada pea. 



Fertilizer Experiments by Farmers. 



In 1889 the Station sent out sets of experimental fertilizers to 

 several fanners designed to test the availability of insoluble phos- 

 phates. 



Two of these sets fell into the hands of farmers whose land 

 evidently needed phosphoric acid more than anything else. One 

 of them, Mr. H. L. Leland, has kindly consented to continue his 

 experiment this year without further manuring. 



This experiment was conducted on a dry, slaty loam, which 

 previous to 1889, had received no manure for thirty years and had 



