334 Report oF THE HORTICULTURAL DEPARTMENT OF THD 
crop the manure was applied at the rate of 5 per ct., 10 per ct., 
15 per ct. and 20 per ct. by bulk, instead of by weight. In 
order that the cumulative effects of the treatments might be 
seen the soil was in no case renewed from 1898 till 1901. 
PREPARATION OF SOIL. 
The clay loam was thoroughly mixed before being separated 
into the various portions to be used in the experiments. In this 
way its composition was rendered as uniform throughout as 
possible. The sandy loam was similarly treated. Whenever a 
portion of soil was to receive an application of manure this 
was made for the first crop before it was measured into the 
boxes, but for the following crops it was made to each box 
separately. Three boxes were filled from each portion except 
those portions which were mixed with one-third manure by bulk. 
From each of the latter four boxes were filled, the soil in two 
being packed firmly and in the other two left loose as already 
explained. Where commercial fertilizers were used they were 
applied to each box of soil separately as hereafter described. 
FERTILIZERS. 
The manure.—The manure was well rotted horse manure. For 
the first crop it was applied to different portions of soil at the 
rate of 5 per ct., 10 per ct., 15 per ct. and 20 per ct. by weight, 
and 334 per ct. by bulk, but for the succeeding crops it was 
used at the rate of 5 per ct., 10 per ct., 15 per ct., 20 per ct. 
and 334 per ct. by bulk, as has already been stated. This also 
appears in the table on p. 337, 
The average weight per cubic foot of clay loam when prepared 
for the first crop was about 68 pounds, and for the sandy loam 
about 70 pounds. The area of each box was 225 square inches; 
the contents of the part occupied by the soil was 1575 cubic 
inches. Irom these data the following table is derived. It 
shows for both the clay loam and the sandy loam, the different 
percentages of manure by weight with the corresponding per- 
centages by bulk, the rate per acre in cords and in tons, and the- 
depth to which the manure would cover the soil when spread 
evenly over the entire surface. 
