138 ' EXPERIMENTAL FARMS 



9-10 EDWARD VII., A. 1910 



Fertilizing Materials. — Under this caption we report upon various materials of 

 more or less fertilizing value, as follows : Dogfish scrap, muck, mussel mud, marl, 

 gypsum, wood ashes, black muck ashes, &c. 



Fodders and Feeding Stuffs. — Information of interest and value to the farmer 

 and dairyman is afforded in the data and accompanying notes obtained from the 

 examination of a number of the more important feeds offered on the Canadian 

 market. 



Field Roots and Sugar Beets. — The investigations to ascertain the relative feed- 

 ing value of field roots, the influence of heredity on. the composition of mangels and 

 the quality of certain varieties of sugar beets as grown on the Experimental Farms of 

 the Dominion during the past season, have been continued. 



Insecticides and Fungicides. — A very considerable amount of investigatory and 

 analytical work has been done in connection with insecticides and fungicides. This 

 has been prompted by the numerous inquiries that have been received from fruit 

 growers and others respecting newly proposed sprays and a number of ready-made 

 commercial products that have recently appeared on the market for spraying purposes. 

 It is hoped that the various chapters under this heading may prove of value to that 

 large body of our readers who find it necessary to combat insect and fungus pests. 



The subjects treated of include arsenate of lead, arsenite of lime, lime-sulphur 

 washes, formaldehyde and agricultural bluestone. 



Rain and Snow. — Another year's determinations of the nitrogen compounds in 

 the rain and snow are reported. In certain respects they are extremely interesting 

 as showing that practically twice as much nitrogen (chiefly as free ammonia) was 

 found as in the rain and snow of the preceding year. This was traced to the smoke- 

 laden atmosphere which prevailed during the autumn months in the neighbourhood of 

 Ottawa, caused by the extensive bush fires which raged for so many weeks and which 

 resulted in such a large destruction of timber. 



Well Waters from Farm Homesteads. — The examination of waters from farm 

 wells has always proved a popular feature, and farmers who have reason to suspect the 

 purity of their supply continue to avail themselves of the privilege of forwarding a 

 sample for analysis. To the results of the past year we have added some words of 

 advice respecting the all-important matter of the rural water supply. 



Samples received for Examination. — In the following table we present a classifica- 

 tion of the samples received for analysis during the past year, and the provinces from 

 which they were sent. 



Samples Received for Examination and Report for the Twelve Months ended 



March 31, 1909. 



