The Wohurn Field Experimetits, 1912. 21>1) 



crops as sulphate of ammonia. Also the rape dust on plot lOb, 

 which up to then had been distinctly behind the farmyard 

 maniire (plot lib), now began to be quite equal to the latter ; 

 this improvement lasted up to the end. 



Continued absence of sun, together with rain, delayed the 

 proper ripening of the grain, and it was not until August 13 

 that the plots could be cut. Even then, as already stated, the 

 sheaves never got reallj^ dry, and the result was that the corn 

 began to sprout in the shocks. The wet condition of the crop 

 prevented any hope of it drying in the stack, and, to save it, 

 the wheat was carted on September 3 and threshed out at once. 



The harvest results are given in Table I. (page 300). 



The harvest results were, on the whole, slightly above those 

 of the dry season, 1911, the highest produce obtained being 

 23"9 bushels as against 21'8 bushels per acre in 1911. The 

 average of the two unmanured plots was 8*2 bushels, the same 

 as in 1911, mineral manures alone giving 7*8 bushels. The 

 most remarkable feature was the superiority of the plots 

 dressed with sulphate of ammonia to those to which nitrate of 

 soda had been given. This was the case whether the salts were 

 used alone or in combination with minerals ; all along, the 

 sulphate of ammonia plots had a far more healthy appearance 

 and were far less subject to rust. Thus, while sulphate of 

 ammonia with lime produced up to 17*5 bushels, and with 

 minerals as well 23"9 bushels, nitrate of soda alone gave only 

 8 bushels, and the heavier dressings less than the lighter appli- 

 cations. Once again, the use of lime told markedly, the plot 

 2b, where 2 tons per acre of lime were used — and that once 

 onlj", in 1897 — continuing to give a good return and more than 

 plot 21)b, where a second dressing of 2 tons was given in 1905. 

 The plot 2aa, to which 1 ton of lime per acre had altogether 

 been given, but in four separate applications, produced only 

 1 bushel short of 2b and considerably more than plot 2bb, 

 which had had 4 tons of lime per acre. The return from the 

 heavy dressing of nitrate of soda along with minerals Avas very 

 disappointing. As usual, a low weight of corn per bushel, with 

 much tail corn, characterised the nitrate of soda plots. Farm- 

 yard manure gave a very small crop, inferior to that with rape 

 dust (plot 10b), and the comparison of plots 10a and 11a led to 

 the conclusion of last year, that phosphate was required rather 

 than potash. 



The figures are given for the corn valuation, but it must be 

 pointed out that the wheats were all extremely bad, and much 

 below the average of the district. Hardly any of them would 

 be of use for milling, and it was only the existing high price of 

 feeding stuffs that gave any value to them. All the samples 

 contained grown corns, and they " handled " very badly. 



