CONTENTS. 



Pakt I. 



Officers and staff ..... 

 Review of the year ..... 



Utilization of station work 



Changes in staff .... 



Changes in equipment organization . 



Publications of the ^"eaI■ . 

 Report on projects .... 



Plant nutrition .... 



Crop and crop management studies . 



Crop protection .... 



Animal nutrition .... 



Studies of heredity in poultry . 



Animal disease control 



Human food . . . ... 



Agricultural economies 



Meteorological studies 

 Control and regulative work . 



Fertilizer control .... 



Feed control ..... 



Poultry disea.se elimination law 



The dairy law .... 



Testing of pure-bred cows for advanced rcgist 

 Analytical and diagnostic .service 



General chemical analytical service . 



Analysis, germination tests and separation 



Diagnostic service in animal pathology 



Insect conditions of the year 1921 in Mass; 



The crop disease situation in 1921 

 Meteorological olxservations . 

 Report of the tieasurer .... 



of seeds 

 achusett:^ 



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Part II. 



Bulletin No. 201, Insecticides and Fungicides foi- Farm and Orchard Crops 

 in Massachusetts ......... 



Bulletin No. 202, Rust of Antirrhinum 



Bulletin No. 203, Tobacco Wildfire: Preliminary Report of Investigations . 



Bulletin No. 204, Thirty Years' Experience with Sulfate of Ammonia . 



Bulletin No. 4 (techtiical series), Development and Pathogenesis of the 

 Onion Smut Fungus ........ 



Bulletin No. 205, The Nutritive Value of Cattle Feeds. 3. Dried Apple 

 Pomace for Farm Stock ........ 



Bulletin No. 206, Eighth Report of the Cranberry Station 



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39 



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135 

 149 



