652 



Inoculation of Leguminous Plants, [feb., 



3 lb. of red clover and 2 lb. of Alsike. Each lot of seed was 

 contained in two equal packets, No. 1 packet of which had been 

 inoculated with Moore's culture ; No. 2 packet was from the 

 same bulk, but untreated. The treated seed was added to the 

 ordinary mixture of grass used on the farm, and sown on one 

 acre. The untreated seed was applied on equal terms to the 

 adjoining acre. The mixture of grass and clover seeds were 

 sown with a grain crop, and the reports received from the farmers 

 refer to the appearance of the clovers in the grain stubble. 



On eight of the farms no distinction can be made between 

 the treated and untreated clovers. On the other four farms the 

 results have been favourable to the inoculation. 



On one farm a slight difference is seen in favour of the 

 treated seed. On a second farm, " No. 1 (the dressed seed) has 

 the advantage in thickness and strength to a slight extent." On 

 a third farm there are a few sickly clover plants on the inocu- 

 lated acre, but no clover at all on the adjoining area untreated. 



On trie fourth farm, where the soil is peaty, and clover had 

 never grown well, the treatment has been remarkably success- 

 ful, producing a thicker covering of clover and a much stronger 

 growth. The difference has increased between October and the 

 present time in an extraordinary way. 



Aberystwith. — (a) Plots measuring 15 sq. yards. Poor soil 

 which had grown oats the year before. Crop, vetches, on the 

 inoculated plot weighed 28 lb. Crop on the uninoculated plot 

 weighed 25 lb. 



Cambridge. — (b) Field experiments with peas and trifolium. 

 Plots measured two widths of a corn drill, about one-eighth of 

 an acre, right across the field. The soil was a light loam. 

 Duplicate plots were sown. Hiltner's and Moore's cultures 

 were used. 



The seed for the check plots was soaked with pure water. 

 The untreated peas were first sown. The drill was taken to 

 pieces and scalded out with boiling water after sowing the seeds 

 dressed with the American culture, and before sowing those 

 dressed with the German culture. Strips of mangels 12 ft. wide 

 separated the plots. The trifolium experiments were carried 

 out in the same way, except that the seed was sown broadcast. 



The observations made during the growth of the plants and 



