28 
EXPERIMENTS ON THE EFFECT OF 
rules given by P. Wagner. Phosphoric acid, potash, and lime 
were applied to each plot in so large quantities that the crops 
found an excess of these nutrients in the soil and that the small 
quantities of them contained in the nitrogenous fertilizers, could 
not affect the growth. We applied for the area of i hektare 
(= i cho) ioo kilogrms. of phosphoric acid in the form of pure 
sodium phosphate, ioo kilogrms. of potash as sulphate and 750 
kilogrms. of calcium carbonate. The kinds and quantities of 
nitrogenous fertilizers added to each plot will be found in the 
following table :— 
Content of 
Applied per patch 
Nitrogen 
applied per 
hektare. 
kilogrms. 
Kind of manure 
nitrogen 
% 
manure. 
grms. 
nitrogen. 
grms. 
I. Without nitrog. manure .. 
— 
II. Ammonium sulphate .... 
20.64 
4.11 
0.8478 
30 
HI. 
>» 
8.21 
1.6956 
60 
IV. night-soil . 
0.604 
187 
1.1304 
40 
v 
v • I) 11 .. 
11 
374 
2.2608 
80 
VI. Rape cake . 
5-!3 
27.55 
1.4130 
50 
VII. „ .. 
11 
55-09 
2.8260 
IOO 
VIII. Fish manureî . 
8.67 
16.29 
I - 4 I 3 ° 
50 
IX. „ „ . 
11 
32 - 5 8 
2.8260 
IOO 
X. Steamed bone dust . 
3-69 
gi.82 
3-3912 
120 
Each single quantity of nitrogen was tested on 3 different 
plots, 30 cylinders being applied for all the experiments together. 
Sowing took place rather late, viz. on November 20th, and 
germination was very regular, In December, January, and the 
beginning of February, we had to suspend straw mats over the 
patches to protect the young plants from injuries by frost. The 
further development of the barley plants went on without distur¬ 
bance. Towards the end of April and in May the effect of the 
fertilizers manifested itself very distinctly, the plots supplied 
with steamed bone dust surpassed all the others, next came 
those with fishmanure, then those with night-soil and ammonium 
sulphate, and finally the plots with rape cake and those without 
any nitrogenous manure. On July 20th when the grains were 
3 Shime kasu. 
