/ 



160 FARMING ON FACTORY LINES 



same in all cases. After a tare stubble cleared in the 

 month of June, the land is cultivated as expeditiously 

 as possible. 



On light or medium land, ploughing is not neces- 

 sary. The cultivation of such land can usually be 

 done by the disc harrow and the triplex cultivator, 

 without any ploughing at all. Deep cultivation, say 

 more than five inches for these crops, is not essential. 



The fact that the tilling of winter green crops can 

 be accomplished with quick working tools is of the 

 greatest practical and economic importance. Last 

 year the writer ascertained that the cost of tilling and 

 completely preparing a nine acre field for a crop of 

 winter greens was only 13/6 per acre, horse and 

 manual labour being charged at 3/- per day. This 

 means that the complete cultivation of such a crop 

 is no greater than the singling and weeding of a 

 root crop, which these winter greens are intended, 

 largely, to replace. 



MANURING WINTER GREENS 



We have already discussed the manuring of rye 

 both as a cereal crop and when intended for folding, 

 or for a soiling crop. The following remarks are 

 applicable to all other types of winter greens — kales, 

 rape, hardy green turnips, etc. 



For these latter crops, which may have to stand 

 over the winter, there is no manure so valuable as 

 farmyard manure, because of its physical effects on 

 the soil, and its fertilising qualities. Furthermore, 

 once a Continuous Cropping rotation has been estab- 

 lished, the application of farmyard manure in June, 

 July and August generally fits in with the general 

 work on a farm. 



