ROOT-CROPS. 



35 



TABLE 10.— Sugar-Beet. Mean of plots 6 and 4 ; 3 years, 1871-73. 



Series 1. 

 Mineral 

 manure 

 alone. 



Series 5. 



Mineral 



and 

 rape-cake 



= 98 lb. 

 nitrogen. 



LEAP TO 1000 ROOT. 



230 



269 



232 



354 



205 



PER CENT. 



Dry matter 



Nitrogen in 

 dry 



Mineral mat- 

 ter in dry 



Potash in dry -{ 



In root 

 In leaf 



' In root 

 In leaf 



In root 

 In leaf 



In root 

 In leaf 



Phosphoric 

 acid in dry 



In root 

 In leaf 



18.75 

 14.65 



0.58 

 2.18 



4.11 

 23.83 



1.45 

 5.29 



0.57 

 0.78 



16.83 

 11.19 



0.95 

 2.61 



5.13 

 22.13 



1.67 

 4.52 



0.55 

 0.67 



18.16 

 12.12 



0.84 

 2.30 



4.75 

 23.47 



1.72 



4.82 



0.52 

 0.64 



17.04 

 10.20 



1.27 

 2.76 



5.59 

 22.08 



1.84 

 4.58 



0.57 

 0.62 



17.88 

 11.28 



0.82 

 2.34 



4.54 

 22.86 



1.61 

 5.21 



0.56 

 0.81 



PER ACRE, LB. 



