ANNUAL REPORT, 1934 57 



During the period July 1, 1933, to July 1, 1934, the tonnage of fertilizer and 

 plant food, and lime products as soil amendments, sold in Massachusetts was as 

 follows: 



Plant Food Elements (Tons) 



Fertilizer 

 (Tons) 



Mixed fertilizers 40,160 



Unmixed fertilizer chemicals and materials . . 15,870 

 Pulverized natural manures 1,614 



Totals 57,644 3,205 4,806 3,273 



Lime products (as soil amendments) 40,433 



Full details of the fertilizer and lime inspection will be found in Control Bulletins 

 74 and 76. 



Miscellaneous Analytical and Diagnostic Work. (H. D. Haskins, H. R. DeRose, 

 A. F. Spelman, J. W. Kuzmeski.) Chemical studies of a cooperative nature have 

 been carried on, as has been the custom in the past, with the several departments 

 of the institution, Field Station and County Agents. The character and extent 

 of this work is shown in the following summary: 



Calcium and magnesium super- Hay, cured 55 



phosphates 2 Leg bones of chickens 10 



Chicken mash 3 Manures 2 



Clay pots (plant food absorption Milk ash 8 



experiment) 4 Plants from greenhouse 4 



Copper sulfate 5 Sphagnum moss 3 



Greenhouse soils (complete anal- 

 ysis 3 



Other chemical work of the department has included service to community 

 organizations, State institutions, and individuals interested in agriculture. This 

 group includes the following materials: 



Animal tissue for arsenic 1 Manures 2 



Carnation soils(complete analysis) 3 Midrib of tobacco leaves 2 



Complete fertilizers 3 Peat products 6 



Compost 1 Sewage sludge 1 



Fertilizer by-products 7 Spent mushroom soil 1 



Fertilizer chemicals 9 Soils 11 



Grain ration for chickens 1 Tobacco leaves cured 2 



Irrigation waters 2 Tobacco leaves damaged 2 



Lime products 4 Water for poultry plant 2 



Research work on methods of potash determination in fertilizers has been done 

 in cooperation with the Association of Official Agricultural Chemists of North 

 America; other service of an advisory and executive nature has also been rendered 

 to this organization during the year. 



