249 



received a complete dressing comprising kainit, superphosphate, and 

 nitrate of soda ; three plots received dressings composed of two of 

 these manures; and three plots dressings of each manure alone. 

 The quantities in the mangold experiment were as follows : kainit, 

 5 5/8 cwt; superphosphate, 6 cwt; and nitrate of soda, 2 3/8 cwt 

 per acre. In the swede experiment, the quantities were : kainit 2 7/8 

 cwt; superphosphate, 6 cwt; and sulphate of ammonia 7/8 cwt." 



"The general tendency of the experiments is in favour of kainit 

 and nitrate of soda, which gave a better result than the complete 

 manure at four out of the six centres and at a smaller cost." 



"In the case of the swede experiments, the results at one centre 

 were irregular and produced very little result, owing to the wet 

 season. Taking the average of the other five, the best result was 

 obtained from the complete manure, which gave an increase of 

 nearly 1 1 tons par acre, or a gain, after deducting the cost of the 

 manure, 87 s. 6 d. per acre. Kainit and superphosphate, and kainit 

 and sulphate of ammonia, gave approximately similar results, with 

 averages of 7 tons 15 cwt, and / tons 8 cwt, per acre or gain of 

 62 s. 8 d. and 64 s. respectively per acre. Superphosphate by itself 

 gave 7 tons i cwt, or a gain of 62 s., so that the addition of kainit 

 to this manure had apparently little effect ; in fact, at two centres 

 superphosphate alone gave a higher result. In the same way the 

 application of sulphate of ammonia, in addition to the superphophate, 

 produced no further increase. The results of these experiments, 

 therefore, seem to be entirely in favour of a complete dressing." 



Manuring of Mangolds. (Somerset C. C, Rept on Field Trials of 

 Manures, 1904-1908). The Journ. of the Board of Agric.? 

 May 1910, Vol. XVII, N 2, London, pag. 145. 



" The object of this experiment was to determine whether ar- 

 tificials can be profitably used to supplement the usual dressing of 

 dung. The experiment was conducted in all on thirty-five farms, 

 with a variety of soils, mostly, however, inclined to be heavy. The 

 land usually received from twenty-five loads of dung to the acre, 

 the cultivation and seeding in each case following the usual practice 

 of the particular farm. The artificials applied were nitrate of soda, 

 superphosphate, kainit, and salt, alone and in combination. The 

 plots were one-sixteenth of an acre, ten plots being laid out on 

 each farm. "... 



" The experience gained from these experiments suggests that 

 the application of artificial manures to mangolds in addition to a 



