Ext. Cir. 266 Root Crops. 20 pp. 



Ext. Cir. 275 Culture of Low-Bush Blueberries. 16 pp. 



Ext. Cir. 299 Tomatoes for New Hampshire. 20 pp. 



Ext. Bull. 100 Growing Apples in New Hampshire. 32 pp. 



Ext. Bull. 104 Growing Vegetables at Home. 32 pp. 



Ext. Bull. 105 Asparagus in New Hampshire. 16 pp. 



While the word fertilizer does not appear in all of the above titles, no pub- 

 lication is included which does not discuss the use of fertilizer. 



SUGGESTED RATIOS AND GRADES 



The information concerning suggested ratios and grades was supplied by the 

 Department of Agronomy and is presented here with their permission. 



Because of reduced supplies of superphosphate for the 1951-52 season, the 

 Agronomists of New England at a recent meeting suggested the following ratios 

 and grades for the next year: 



These recommendations represent a reduction in the number of ratios 

 and grades now in vogue. However, it is recognized that many manufacturers 

 have already made up some grades of fertilizer which have previously been offered 

 and that these, such as the 0-1-1 ratio in the 0-14-14 or 0-20-20 grades may still be 

 offered. 



It was the belief of the agronomists that the 0-1-1 ratio should still be offered, 

 particularly for seeding down, but that for later top-dressings in that field that 

 an 0-1-2 would be satisfactory as long as legumes predominated in the stand. 



It is believed, also, that on soils with long continued applications of fertilizer 

 of a 1-2-2 ratio, that potato and vegetable growers could go to a 2-3-4 or a 3-4-4 

 ratio without reducing crop yields. All the experimental evidence points to heavy 

 accumulations of phosphorus and potash under these conditions. 



CONFORMITY TO GUARANTEE 



The chemical analyses reported in this bulletin were made by the methods 

 adopted by the Association of Official Agricultural Chemists. 



Number of brands analyzed 113 



Equalling or exceeding all guarantees 65 



Deficient in nitrogen only 23 



Deficient in available phosphoric acid only 10 



Deficient in potash only 6 



Deficient in nitrogen and phosphoric acid 3 



Deficient in nitrogen and potash 5 



Deficient in phosphoric acid and potash 



Deficient in nitrogen, phosphoric acid, and potash I 



3 



