76 



THE HOP. 



importance of applying nitrate of soda, or sulphate of 

 ammonia to give the crop a quick start in spring, and 

 some less soluble form of nitrogen to back up the crop 

 as the season advances, such as dried blood, tankage, 

 or bone meal. 



In this country a few manufacturers of commer- 

 cial fertilizers have attempted special mixtures of ag- 

 ricultural chemicals for the hop crop, with more or 

 less success. In England special hop fertilizers are far 

 more common. We cannot recommend any one form- 

 iila as the best for this crop in different soils, but the 

 following table contains the composition of various 

 fertilizing materials, and from the known composition 

 of the hop plant, several mixtures are tentatively sug- 



gested: 



FORMULAS FOR MANURING HOPS 



It is fair to assume that, provided the vines are carefully returner! 

 to the soil, 1,000 Ibs. per ncre of cured hops will remove plant food 

 varying within the range below stated. And to supply either of these 

 would require the mixtures which follow: 



