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P. 7.

PLAN No. 2.

Experiments with Special Manures in Field No. 6. 1871-Wheat.

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H. grain 19.81 H. grain 19.34 H. grain 21.25 H. grain 24.19 H. grain 18.50 H. grain 17.75 H. grain 19.25 L.

1.31 L.

Total. 21.12 Weight of bu. 61.5 lbs. Straw 28.88.

Ο. 7.

.78 L.

Total. 20.12

Weight of bu.
62.25 lbs.

Straw 19 SS.

0.6.

.98 L.
Total. 25.12
Weight of bu.
63 lbs.
Straw 28.88.

.96 L.
Total. 22.21
Weight of bu.
62 lbs.
Straw 21.79.

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.62 L.
Total 19.12
Weight of bu.
63 lbs.
Straw 24.S8.

0.8.

.50 L.

Total 15.25
Weight of bu.
68 lbs.
Straw 21.75.

Ο. 2.

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Total. 20.00

Weight of bu. 68 lbs. Straw 80.

0.1.

II. grain 17.75 H. grain 16.06 H. grain 19.41 H. grain 22.34 H. grain 22.56 H. grain 17.91 H. grain 22.37

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H. grain 18.25 H. grain 16.06 H. grain 21.59 H. grain 23.87 H. grain 21.93 H. grain 20.72 H. grain 22.87

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H. grain 18 06 H. grain 14.41 H. grain 18.87 II. grain 25 34 H. grain 22.22 H. grain 28.91 H. grain 25.09

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H. grain 19.41 H. grain 19.41 H. grain 20 84 H. grain 28.87 H. grain 28.47 H. grain 28.21 H. grain 22.16

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H. grain 20.09 H. grain 19.56 R. grain 21.91 H. grain 20.08 H. grain 22.16 H. grain 21.09 H. grain 22.78 .44 L. Total. 20.58 Weight of bu. 62.62 lbs. Straw 27.47.

J. 7.

.44 L. Total. 20.00 Weight of bu. 61.5 lbs. Straw 23.00.

J. 6.

.47 L. Total. 22.88 Weight of bu. 62.12 Jbs. Saw 28.62.

J. 5.

.58 L. Total. 20 56 Weight of bu. 61.62 lbs. Straw 22.44.

J. 4.

Weight of bu.
62 lbs.
Straw 87.44.

J. 8.

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H. grain 18.71 H. grain 21.28 H. grain 20.87 H. grain 20.25 H. grain 21.87 H. grain 21.87 H. grain 22.48

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The plats not receiving any artificial fertilizers are grouped in Table No. 5, and the yield of grain in pounds and bushels, and of straw in pounds and tons, is given for each plat, together with the average of the 25 plats.

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In Table No. 6 will be found the yield per acre of grain and straw of each plat receiving an application of special fertilizers, and the average yield per acre of each group of plats receiving the same kind of fertilizer.

TABLE No. 6.

Yield per acre of plats to which special fertilizers were applied.

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In Table No. 7 the yield in wheat and straw of several groups of plats is given for convenience of comparison.

From this it will be seen that the yield of the plats to which the special fertilizers were applied differs but little from the average yield of all of the nothing plats, a difference, in fact, less than that observed in the group of nothing plats adjoining that of each group of fertilizers.

2,402 40 03

2,398

1.19

2.019 33.65 1,181

0.59

2,012 33.53 1.988

0.99

2,198 36.63 2,389 1.19 TABLE No. 7.

The average yield per acre for the different fertilizers and the nothing plats.

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For convenience of comparison, the twenty-five plats not receiving a dressing of special fertilizers have been brought together in Table No. 8, and the results per acre are given for each year of the experiment on each plat, together with the total average for each year.

TABLE No. 8.

Experiments in Field No. 6.- Yield per acre for each year of plats to which no special fertilizers were applied.

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In Table No. 9, the plats receiving the same special fertilizer are grouped together, and the results per acre for each year are given for each plat, together with the average for each group for each year, and the gain in yield of the fertilizers over the undressed plats.

Where a loss occurs it is indicated by the minus sign (-) placed before the figures.

TABLE No. 9.

Experiments in Field No. 6. Yield per acre for each plat to which special fertilizers were applied, for each year of the experiment.

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Baugh's Superphosphate.

LETTER AND NUMBER OF PLAT.

Averages.

Gain over average of 25 nothing plats..

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Gain over average of 25 nothing plats.

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Berry's Bone Dust.

(J. 6.. Κ. 1.

Κ. 7..

L. 2..

M. 3..

Ν. 4.

Ο. 5.

P. 6...

Averages...

Gain over average of 25 nothing plats.

37.79 -0.86

1.58

507.66

44.90

36.08

508.33

54 94

38.48

440.00

39.06

34.21

402.50 59.09

39.10

431.67 50.97

38.01

530.00

41.78

40 03

405.00

37.28

33.65

375 00

40 41

33.53

450 02

46 03

36.63

40.93

0.89

1.49

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