392 



Y. KOZAI, M. TOVOXAGA AND M. NAGAOKA. 





I'hr 



jp.lioric 



aci.l 







I'hos. acid 

 absorbed froin 

 the residue. 



Phosphoric acid 

 absorbed from the 

 original manure. 



o 



Ov- 



co 



•S s 



^ y. — \ 



•7, 



■5 C-. £ 

 .5 



1 



s 0 

 i " 



5: 



0 „ (/ 

 ^ 00 C 



Kind of phospliatic 

 manures. 



6 





^ 5 



N g 

 .. if. 



" CO 



3 =\ 



> 



3.89 

 7.78 



24.1 

 I"" 



2.95 



0.40 



41 

 7-1 



2.792 

 5.S44 



Double superphos. 



. 



0.123 







2.1 



_ 



1.6 



2S.2 

 26.4 



|27-3 



4-59 



25 1 



3-44 



7-4 



3.OC9 



Precipit. phos. 



0.117 



3-8 



2-5 



35-0 



I31-0 



9.18 



1 0.0 



7-53 



7.0 



6.S84 





0.185 



2-7 



2.0 



2T.O 



6.97 

 J3-94 



8.3 



63 



6.39 

 13-07 



6.5 

 6.7 



5-939 

 12.135 



Perm-ian guano 



0.104 



0.260 



1-7 



2.1 



1-5 



1-9 



16.3 



14.9 



|iS.6 



6.8S5 



137 



5-94 



6.6 



5.486 



Thomas phosphate 



0.171 



3-2 



2-5 



22.8 



|2I-7 



13-77 



10.3 



'2-35 



7-2 



11.360 





0.431 



3-S 



3-1 



20.6 



6.885 

 13-77 



14.2 

 153 



S-9I 

 1 1.66 



5-7 



6.6 



5-518 

 10.744 



Steamed bone dust 



0.113 

 0.396 



2.0 

 3-7 



1.6 



2-9 



21-5 



24.S 



|23-2 



6.8S5 

 13 77 



14.6 



I.v4 



5.8S 

 11.65 



6.0 

 6.5 



5-466 

 10.750 



Crude bone dust 



o.c6o 

 0.277 



I.I 



2.6 



0.9 

 2.0 



21-5 



23-9 



I22.3 



6.885 

 13-77 



6.6 

 7-4 



6-43 

 12-75 



2.9 

 2.6 



6.232 

 12.393 



Bone ash 



0.125 

 0.131 



2.0 

 I.I 



i.S 



0.9 



11-3 



109 





6.«8s 

 13-77 



1-7 



C.6 



6.77 

 13.69 



2.2 

 2.7 



6.615 

 13-318 



Phosphorite 

 ?> 



0.044 

 0.166 



0.7 

 1-3 



0.6 

 1.2 



4-5 

 4-5 





Chemical analysis of 

 results shown in the follow 



the crops of 1893 w, 

 ing table : 



as also made and the 



