Journal of Agricultural Research voi. xvi, no. i 



Table I. — Ash constituents of spinach — Continued 



CALCULATED AS PERCENTAGES OF DRY MATERIAL — continued 



Fertilizer. 



Total ash 



Silica 



Manganous oxid. . . . 



Lime 



Magnesia 



Potash 



Soda 



Sulphur trioxid . . . . 

 Phosphorus pent 



oxid 



Alvunina 



Ferric oxid 



Total 



Add phos- 

 phate. 



Tops. Roots. 



.04 

 I- 13 



1-33 

 6.40 



2. IS 



•53 



1.47 

 .70 



20.98 



•38 

 •49 

 I. 76 



Complete 

 add. 



Tops. Roots. 



S-40 

 •OS 

 .96 

 1-33 

 8.69 

 .78 

 •58 



1. 12 

 •6s 



19.66 



10.48 



2.78 

 •OS 

 •43 

 •S6 

 3-36 

 1.58 

 •35 



I. 26 

 •33 

 .08 



10.78 



Complete 

 basic. 



Tof)s. Roots. 



18.60 



4.01 

 •03 

 •97 

 1-34 

 8.70 

 .66 

 •53 



1^32 



•45 



18. II 



1.49 

 •32 

 .09 



10.08 



Manure. 



Tops. Roots. 



4-47 

 .016 

 .84 

 I.S9 

 9.76 

 •45 

 .48 



1.08 

 •51 



19-306 



Average. 



Tops. Roots 



20.4s 



1.36 

 .36 



•IS 



S-2I 



.029 

 1-031 

 I^37 

 7-39 

 1.82 



•53 



I. 20 

 •S8 

 •097 



11.46 



19. 247 



9-s8 



2-39 

 .096 

 •38 

 •S3 



3- 06 

 •8s 



• 28 



1. 10 



• 304 



• 077 



9.067 



INDIVIDUAL CONSTITUENTS CALCULATED AS PERCENTAGES OF THE TOTAL ASH 



Sodium 

 nitrate. 



Fertilizer. 



Tops. Roots. 



Sodium 

 chlorid. 



Tops. Roots. 



Sodium 

 sulphate. 



Tops. Roots. 



Potassium 

 chlorid. 



Tor>s. Roots. 



Calcium 

 carbonate. 



Tops. Roots. 



Control. 



Tops. Roots. 



Total ash 



Silica 



Manganous oxid. . . 



Lime 



Magnesia 



Potash 



Soda 



Sulphur trioxid . . . 

 Phosphorus pent 



oxid 



Alumina 



Ferric oxid 



Total 



19-94 



8.87 21.81 



8-58 20.70 



8.30 



17.67 



7.40 



9.40 



8.01 



22.57 

 .18 

 5-57 

 5-67 

 26.18 

 17-55 

 2. 21 



S-17 



3- 06 



•6s 



19.9s 

 1.58 

 3-27 

 5-30 



36.64 

 9-70 

 2-37 



10.37 



3-38 



.80 



17.42 

 .09 

 5-18 

 6.60 

 16.87 

 26.00 

 2. II 



17.02 

 1-63 

 5-24 

 6.41 

 22. 61 

 16. 55 

 2.68 



13-52 

 2-33 

 -70 



93-36 ,82. { 



88.69 



22. 80 



. 10 



4.01 



6-43 



44.01 

 3-82 

 3.62 



6.23 



19.40 

 •54 

 3- 61 

 4-94 

 35- 06 

 IS- 42 

 3-86 



13-61 



24.34 



•17 



S-32 



9-51 



37-13 

 8.66 

 2- 55 



6.40 

 2-77 



20.00 



.68 



4- OS 



7-57 



32-97 

 7-30 

 2.03 



13-24 



2-43 



.68 



37.26 

 .14 

 5-89 

 S-33 



33-66 

 7-95 



33-62 



•74 



4-89 



5- 21 



31-60 

 4.89 

 2-46 



10.96 



4.89 



•74 



38.00 



. 12 



S-SI 



6.67 



41.59 



4.40 



2.51 



6-43 

 3- OS 



•44 



18.48 



•7S 



3-75 



4.24 



42-95 

 4. 12 

 4.13 



9-99 

 2.2s 

 •75 



90. 95 99. 6s 100. 00 



98. 72 I 91.40 



