282 
Journal of Agricultural Research 
Vol. I, No. 4 
> 
Table IV— Averages and extremes in wheat grown in California, in Kansas, and in 
Maryland on plats of California, Kansas, and Maryland soils. 1 
Determination. 
Physical properties: 
Water.per cent.. 
Weigh tperi, ooo grains, 
grams. 
Weight per bushel, 
pounds. 
Flinty grains.per cent. 
On water-free basis: 
Nitrogen.per cent,. 
Protein (N X 5-7), 
per cent. 
Alcohol-soluble nitro¬ 
gen. - .per cent.. 
Gliadin in protein, 
percent. 
Fat.per cent., 
Fiber.do_ 
Pentosans.do_ 
Sugars.do_ 
Ash.do_ 
Phosphoric acid.. do_ 
Potash.do_ 
Phosphoric acid in ash, 
per cent. 
Potash in ash.per cent.. 
1 California soil. 
Kansas soil. 
Maryland soil. 
Averages. 
Extremes. 
Averages. 
Extremes. 
Averages. 
Extremes. 
I 
J 
1 
0 a 
8d 
» 
-• 
0 d 
• 
8S 
| 
§ 
S3 
| 
1 
s I 
a 
1 
3 
EfS 
0 
J 
.1 
a 
gs 
Jj 
J 
gS 
J 
.1 
i 
!> 
.a 
3 
n 
> 
d 
i 
.fc 
a 
s 
s 
3 
3 
3 
s 
3 
3 
3 
ft 
3 
a 
9-35 
o* 53 
8. 29 
10.22 
9.46 
0.47 
8.67 
10. 66 
9.29 
0. 48 
8. 70 
10.45 
26. 5 
4-5 
12. 9 
34- 6 
27.9 
6.1 
13-3 
37-7 
22.1 
3-i 
13-8 
27.1 
60. 9 
i-5 
58.3 
64-3 
60.4 
2. 2 
56.9 
65.1 
( 2 > 
( 2 ) 
( 2 ) 
( 2 ) 
71 
33 
0 
100 
69 
26 
O 
100 
85 
24 
0 
100 
2. 48 
•44 
1. 80 
3-7® 
2.52 
• 53 
1. 86 
4.09 
2.75 
•53 
2.03 
3-97 
13-88 
2. 56 
10. 27 
21.11 
13- 94 
3*os 
9* 61 
23-31 
15-44 
2.97 
«• 57 
22. 62 
1 
. 16 
• 70 
I- 23 
•94 
.18 
■70 
1.44 
1.05 
. 22 
• 7i 
1. 40 
42 
1 
38 
44 
41 
1 
39 
43 
40 
3 
35 
44 
1-93 
. 11 
1. 67 
2.16 
1. 98 
. 11 
1. 76 
2.17 
1.97 
. 12 
1. 78 
2. 15 
2- 55 
. 22 
2. is 
2- 95 
2- 59 
. 22 
2. 28 
3- 01 
2- 73 
. 24 
2-35 
3- 24 
8- 41 
. 21 
7-95 
8. 84 
8.48 
.28 
8. 05 
9. 12 
8. 87 
.28 
8. 25 
9* 36 
3- 33 
. 28 
2. 89 
3-90 
3- 48 
.24 
2. 99 
3- 81 
3- 30 
. 22 
2. 82 
3- 9i 
2- 13 
.23 
i- 63 
2. 58 
2. 08 
. 11 
1. 63 
2. 56 
2.16 
. 20 
1. 78 
2. 83 
I. 04 
. 18 
. 68 
1. 24 
1.03 
•15 
• 7 o 
I. 19 
I- 05 
• 15 
. 80 
i- 31 
.64 
. 06 
■45 
• 74 
. 61 
.07 
.46 
• 72 
.66 
. 06 
• 56 
.80 
48 
4 
42 
56 
48 
4 
41 
53 
48 
4 
41 
59 
30 
1 
27 
33 
29 
1 
27 
32 
29 
2 
27 
32 
1 Not including check plats. 
Only i sample. 
Table V.— Averages and extremes for the years igog, igio, igu, and igi2 in wheat on 
disturbed and undisturbed plats 1 for all localities ( California, Kansas, and Maryland) 
and years. 
Determination. 
Physical properties 
Water.per cent.. 
Weight per i,ooo grains . .grams.. 
Weight per bushel.pounds.. 
Flinty grains.per cent., 
On water-free basis: 
Nitrogen.per cent.. 
Protein (N X 5.7).do... 
Alcoholic-soluble nitrogen, 
per cent 
Gliadin in protein .. 
•, .per cent.. 
Fat. 
Fiber. 
Pentosans. 
Sugars. 
Ash .. 
Phosphoric acid ...do_ 
Potash .. do_ 
Phosphoric acid in ash.do_ 
Potash in ash.do_ 
Disturbed. 
Undisturbed. 
Averages. 
Extremes. 
Averages. 
Extremes. 
Diver¬ 
Diver¬ 
Mean. 
gence 
Mini¬ 
Maxi¬ 
M 
gence 
Mini¬ 
Maxi¬ 
from 
mum. 
mum. 
* 
from 
mum. 
mum. 
mean. 
mean. 
9 - 3 i 
0.51 
S. 29 
10.18 
9 - 33 
0.65 
8.28 
10. 30 
25.8 , 
.49 
13 -3 
34 6 
27. 6 
5 * 7 
12. 5 
38.4 
Only two samples. 
92 
12 
51 
100 
96 
4 
89 
100 
2. 78 
•45 
2. 24 
409 
2. 76 
.66 
2.05 
4.07 
^ 5 * 25 
2.84 
10. 56 
23-31 
15-32 
3- 62 
11. 68 
23.18 
1. 06 
•IS 
• 76 
1.44 
1.09 
•23 
.83 
1.64 
42 
1 
39 
44 
43 
2 
40 
46 
I. 97 
. 11 
1.82 
! 2.17 
1. 86 
.08 
1. 67 
2.01 
2. 55 
. 26 
2.15 
2. 94 
2. 56 
.29 
2.18 
3 - 17 
8- 59 
.41 
7 - 95 
9*36 
8. 61 
•35 
8.08 
9 - 57 
3-44 
• 14 
3- 21 
3 - 78 
3 - 34 
• 14 
3 - 11 
3 - 56 
2. 09 
•23 
1.63 
2. 56 
2. 16 
•30 
1. 60 
2. 78 
.96 
• 17 
.68 
1. 27 
I. 06 
*15 
• 79 
I. 26 
.64 
. 06 
•45 
. 80 
.64 
.07 
.48 
■ 79 
46 
4 
4 i 
52 
49 
3 
45 | 
54 
31 
1 
28 
33 
30 
1 
27 
52 
1 Only data that are strictly comparable are used. Disturbed-plat data are used only if the determina¬ 
tions for the correspond mg check plats were also made, and vice versa. 
