132 EXPERIMENTS UPON KOOT-CROPS 



PRACTICAL CONCLUSIONS 



1. As the value of sugar-beet depends so much on its 

 purity, it should be grown rather on land in high condition from 

 previous manuring than enriched by the direct application of 

 manures. If farmyard manure has not been used for the 

 previous crop a fair dressing should be given for sugar-beet, 

 but it should be ploughed in during the autumn before sowing. 



2. Just before sowing the seed, 3 cwt. of superphosphate, 

 1 cwt. sulphate of potash, and 1 cwt. of sulphate of ammonia 

 per acre, should be applied and harrowed in. Nitrate of soda 

 is not so desirable a manure for sugar-beet as it is for 

 mangolds. 



3. The high quality of the crop will much depend on the 

 thorough and deep cultivation of the soil before sowing, and on 

 planting very closely as compared with mangolds. 



REFERENCES 



"Agricultural Chemistry, Turnip Culture." Jour. Roy. Ag. Soc., 8 (1847), 



494. Rothamsted Memoirs, Vol. I., No. 2. 

 " Results of Experiments at Rothamsted on the Growth of Root-Crops for 



many years in succession on the same land." Agricultural Students' 



Gazette, New Series, Vol. III., Part V., 1887. Rothamsted Memoirs, Vol. 



VI., No. 12. 

 " Results of Experiments at Rothamsted on the Growth of Potatoes for 



twelve years in succession on the same land." Agricultural Students' 



Gazette, New Series, Vol. IV., Part II., 1888. Rothamsted Memoirs, Vol. 



VI., No. 13. 

 " The Rothamsted Experiments : being an account of some of the Results 



of the Agricultural Investigations conducted at Rothamsted." Trans. 



Highland and Agricultural Society of Scotland, Fifth Series, 7 (1895), 



19-67. 

 "The Growth of Sugar-Beet, and the Manufacture of Sugar in the United 



Kingdom." Jour. Roy. Ag. Soc., 59 (1898), 344-370. Rothamsted 



Memoirs, Vol. VII., No. 11. 

 " Experiments at Rothamsted on the Changes in the Composition of Mangels 



during Storage," by N. H. J. Miller. Jour. Roy. Ag. Soc., 61 (1900), 



57; and 63 (1902), 135. 

 "The Continuous Growth of Mangels for twenty-seven years on the same 



land, Barn Field, Rothamsted," by A. D. Hall. Jour. Roy. Ag. Soc., 63 



(1902), 27-59. . 



