30 



BROADBALK FIELD 



Table XV. — Experiments on Wheat, Broadbalk Field. Manuring of the 

 Plots per acre per annum, 1852 and sinx^e. 



Table XVI. — Experiments on Wheat, Broadhalk Field. Produce of Grain and 

 Straw per acre. Average over 61 years (1852-1912); and over 10 years (1903- 

 1912) ; also Produce in 1911. 



Plot. 



2 

 3 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



Abbreviated Description 

 of Manuring. 



Dressed Grain. 



> 



Farmyard Manure .... 



Un manured 



Minerals 



Single Ammonium-salts and Minerals 

 Double do. do. 



Treble do. do. 



Single Nitrate and Minerals 

 Double Ammonium-salts alone . 



Do. and Superphosphate . 



Do. do. and Sulph. Soda 



Do. do. and Sulph. Potash . 



Do. do. and Sulph. Mag. 



Double Amm.-salts in autumn, and Mmerals 



Double Nitrate and Minerals .... 



"I Minerals alone, or Double Ammonium-salts/* 



/ alone, in alternate years . . . • It 



Rape Cake alone + 



Bush 

 35-2 

 12-6 

 14-5 

 23-2 

 32-1 

 3d -6 



20-0 

 22-9 

 29-1 

 31 

 28-8 

 29-9 



14 -9 

 29-9 

 25-4 



2^ 





Bush 

 32-8 

 ]0-0 

 12-5 

 19-0 

 27-9 

 33-8 

 26-0 

 16-3 

 17-1 

 24-6 

 28-7 

 22-0 

 26-4 

 30-2 

 12-9 

 27-6 

 22-8 



Bush 

 35-2 

 12-5 

 14-8 

 17-2 

 25-6 

 36-4 

 29-9 

 22-8 

 20-1 

 27-0 

 29-7 

 24-1 

 24-1 

 40-4 

 13-8 

 27-3 

 28-6 



Straw. 





Cwt. 

 34-8 

 10-3 

 12-1 

 21-4 

 32-9 

 41-1 



18-4 

 22-3 

 28-0 

 31*5 

 28-0 

 29-7 



13-0 

 29-5 

 25-7 



Cwt. 

 38-2 

 9-3 

 11-9 

 20-7 

 32-3 

 42-1 

 28-7 

 167 

 20-2 

 26-2 

 33-1 

 24-1 

 29-0 

 39-1 

 12-4 

 29-7 

 24-8 



Cwt. 

 36-9 

 9-8 

 12-8 

 17-9 

 27-6 

 35-7 

 29-0 

 17-2 

 15-2 

 20-6 

 27-4 

 18-9 

 22-3 

 42-4 

 11-7 

 24-6 

 24-7 



by Minerals. 



t Produce by Ammonium-salts. 



X 20 years (1898-1912). 



