No. 98.] 63 
That is, the three inch planting yielded on the average 74-2 bushels 
per acre, to the six inch planted 60-4 bushels per acre. With three 
varieties, however, the figures show in favor of the deep planting 4-6 
bushels ; with two varieties in favor of shallow planting 41-5 bushels. 
per acre. 
Level and ridge culture show figures as below : 
; Early Ohio. Karly Rose. Snowflake. 
Ordinary cuts; level culture, 50.3 bush. 103.4 bush. 55.2 bush. 
Ordinary cuts; ridge culture, 66.4 bush. 29.8 bush. 30.6 bush. 
Burbank’s. Beauty of Hebron. 
Ordinary cuts; level culture, 121.2 bush. 59.5 bush. 
Ordinary cuts; ridge culture, 100.4 bush. 57.3 bush. 
We here have 79-9 bushels for level culture, and 56-9 bushels for 
ridge culture, the ridge culture bringing the largest yield in one in- 
stance only. If we eliminate from these results the effect of deep and 
shallow planting we find but little certain difference to be ascribed to 
the ridging or not ridging. ‘Thus, at three inches depth seven results 
out of ten are in favor of level culture ; at sixinches depth five results 
out of ten are in favor of level culture. 
In our experiménts with distances of planting, the poor condition 
of the soil would be expected to render the results inconclusive. We, 
however, offer the figures as noted. ‘The variety, Snowflake ; the fer- 
tilizer used, Bowker’s hill and rill, 544 pounds per acre, broadcasted ; 
the size of plats, 20 feet square or 400 square feet; the seed, single 
eyes, cut deep, one seed in a place; planted May 19. 
Yield. 
Unmanured. Manured. 
Merch. Small. Merch. Small. 
Tubers. Tubers. Tubers. Tubers. 
‘ lbs. lbs. Ibs. lbs. 
Hills six inches apart both ways. .... 53-4 50 9 61 1-4 
Hills one foot apart both ways...... . 1712 311-4 381-4 411-4 
Hills eighteen inches apart both ways, 20 343-4 30 35 1-2 
Hills two feet apart both ways....... 101-2 18 291-2 271-4 
Multiplying our results by 108.9, in order to get acre figures in 
pounds, and dividing by 60 to obtain bushels, we have : 
Unmanured. Manured. 
Merch. Small. Merch. Small. 
Tubers. Tubers. Tubers. Tubers. 
bush. bush. — bush. bush. 
Hills six inches apart both ways.......... LOPE OU et Or TIRE 
Hills one foot apart both ways...... PPS PID de HOME COTE EY 
Hills eighteen inches apart both ways.... 36.1 63.0 54.4 64.4 
Hills two feet apart both ways........... 19.0 382.6 53.5- 49.4 
The indications of these figures seem to be that the thickness of seed - 
ing has arelation to the character of the soil. Inrich soil thick seeding 
being more advantageous than in infertile soil. We also remark that the 
yield of small potatoes diminishes as the space of planting Increases. 
The influence of the fertilizer applied seems very marked, counter to 
the case with the other plantings, the average yield of the unfertilized 
soil being 20 bushels per acre ; of the fertilized soil, 48 bushels; or a 
difference of 28 bushels. 
