110 



The Control of the Soil 



[PT. II 



and therefore the agriculture usually centres round live 

 stock, dairying, etc. The manurial treatment is simple, 

 lime and phosphates being the two chief requirements, 

 and these can be convenientlj'^ supplied in dressings of 

 basic slag. Where land is laid in for hay, nitrate of soda 

 or sulphate of ammonia should be supplied in addition. 



Fig. 29. Poor clay country. Roads wide but not all made up, 

 hedges and gates not well kept. 



The arable land must receive dung and periodical dress- 

 ings of chalk or lime in addition to the phosphates. The 

 treading of the horses tends to make a plough-sole which 

 has periodically to be broken by means of a subsoiler, 

 or, where steam cultivation is adopted, by putting a 

 few extra long tines on the cultivator. But above all, 

 drains and ditches must be kept clean. Autumn work 

 must always be pushed well forward to allow as much 

 winter sowing as possible, winter corn and beans being 



