450 



AGRTCTTLTURAL REPORT. 



FERTILIIZERS ON OATS. 



The tollu'Ainy is a fuiuimaiy of the cxperiuieutal tttateineut of I\h. .!. 

 B. Lawcs ou the etiect of difi'crcut fertilizers ou oats grown on the 

 same land during the three years from ISG'J to 1871, inclusive, at Eoth- 

 amsted, Eugland : The previous croppings were, 1847 aud 1848, clover 

 dressed with diifereut manures ; 1849 to 1859, beans, with different ma- 

 imresj ISGO, fallow; 1801 and 18G2, wheat, unmanured ; 1803, fallow; 

 1804, beans, dunged ; 1805, wheat, uumanured ; 1800, beans, ujima- 

 iiured ; 1807 and 1808, wheat, unmanured. The area of the experiment 

 was three-quarters of an acre, which was divided into six plots. As to 

 applications per acre, plot 1 was not manured ; plot 2 received 200 

 pounds sulphate of potash, 100 i)ounds sulphate of soda, 100 pounds 

 sulphate of magnesia, and 3i cwt. superphosphate of lime made from 

 200 pounds bone-ash, 150 pounds sulphuric acid of 1.7 specific grav- 

 ity, and water ; plot 3 received 400 pounds ammonia salts, composed 

 of sulphate and muriate of ammonia of commerce in equal parts ; 

 plot 4 received 400 pounds ammonia salts, 200 pounds sulphate of pot- 

 ash, 100 pcunds sulphate of soda, 100 pounds sulphate of magnesia, 

 and ol- cwt. superphosphate ; plot 5 received 550 pounds nitrate of soda, 

 (containing the same amount of nitrogen as four hundred pounds am- 

 monia salts;) plotO received 550 pounds nitrate of soda, 200 pounds 

 sulphate of potash, 100 pounds sulphate of soda, 100 pounds sulphate 

 of magnesia, and 3i cwt. superphosphate. The table gives results per 

 acre : 



POTATO EXPEROIENTS IN SCOTLAND. 



The follovring is an abstract of a report of ex])eriments made by Mr. 

 Yool, of Coulard Bank, Morayshire, Scotland : The soil was a good clay 

 loam of very even quality, in " very moderate agricultural condition,"-' 

 the subsoil a light sandy loam. The field was divided into sixteen 

 plots of one-eighth of an acre each. Furrows were laid out, 27 inches 

 apart, the manures were placed in the bottom of these furrows, and 

 ])otatoes of the regent variety were dropped thereon, 10 inches apart, 

 May 1, 1871 ; the potatoes were then covered by running the plow 

 through tlic ri<lge made between the furrows and throwing back the 

 earth, according to tlie current practice of the region. The after-culti- 

 vation consisted of hand and horse hoeing, and finally earthing up. 

 The potatoes were dug November 2, were, sorted over a i^-inch riddle, 



