10 



CONTROL SERIES No. 54 



Of the 42,881 tons of mixed goods sold, 99.8 per cent were complete fertilizer 

 and 0.2 per cent ammoniated superj^hosphates and superphosphates with potash. 



Of the 42,881 tons of mixed fertilizer sold, about 90 per cent were high-analysis 

 and 10 per cent were low-analysis (containing less than 14 per cent of available 

 plant food). This is 7 per cent more of the high-analysis goods than in 1929. 



Of the 38,431 tons of high-analysis complete fertilizers, about 76 per cent were 

 furnished by 10 grades and 158 brands. 



There were 2,552 tons less of low-analysis complete fertilizers sold than in 1929. 

 The 4.11 (5)-3-5 grade, comprising 16 brands, furnished about 45 per cent of 

 the tonnage of low-analysis complete fertilizers. About 72 per cent were fur- 

 nished by 3 grades, comprising 19 brands. 



The tonnage of unmixed materials was distributed as follows: nitrogen prod- 

 ucts, 46.4 per cent; ]5hos{)horic acid jiroducts, 22.3 per cent; jjotash products, 

 5.2 per cent; tankage, fish, bone, wood ashes, and tobacco stems, 14.7 per cent; 

 animal maniu'es, 10.5 per cent. 



Distribution of Tonnage as Related to the Present "New England Stand- 

 ard Nine" Grades 



The following table shows the distribution of tonnage of comjslete fertilizers 

 sold in Massachusetts during 1930 as related to this revised list: 



a Including 175 tons of 8.23 (10)-16-14 



I) Including 997 tons of 4.11 (5)-10-5, and 19 tons of 6.58 (8)-16-8. 



Of the ten grades, including the multi])le strength mixtures, that have- the 

 highest tonnage (31,538 tons), only four, totaling 24,185 tons, were among the 

 revised "New England Standard Nine." 



About 59 per cent of the total tonnage of mixed fertilizers was among the 

 "Standard Nine" grades, as compared with 55 ]jer cent for 1929. About 23 per 

 cent additional tonnage was from grades varying but 1 per cent in one or more 

 l)lant food elements from the "Standard Nine" group, so that 82 per cent fell 

 within or varied but 1 per cent in one or more elements from this group. 



Seventeen per cent of the total tonnage of mixed fertilizers was from 6 grades 

 not found in the "Standard Nine" group. They are: 4.11 (5)-3-5, third largest 

 tonnage sold; 2.47 (3)-8-4, fifth largest; 5.76 (7)-3-7, sixth largest; 4.11 (5)- 

 10-5, seventh largest; 3.29 C4)-8-7, eighth largest; and 4.11 (5)-12-4, tenth 

 largest. 



