252 
Journal of Agricultural Research 
Vol. XI, No. <5 
the summer of 1912, the drainage of this tract has not been interrupted, 
and, as the total area was constantly in cultivation, no comment will be 
made as to conditions each year. The area is typical of all river-front 
plantations, except that it has a relatively larger area of drained, low, 
flat land in its rear. (See Table II.) 
Table II .—Rainfall and run-off on Willswood plantation , June , 1909, to December , 
191$, inclusive 
Month. 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pumps 
ran. 
5 Rain 
fell. 
Month. 
Rain¬ 
fall. 
- Rim 
off. 
Rain 
- fall in 
run¬ 
off. 
l Pumps 
ran. 
; Rain 
fell. 
1909. 
June. 
In. 
10.42 
In. 
S' 1 3 
* 65 
P.ct. 
49.2 
11. 7 
42.6 
Days. 
9 
Days. 
15 
15 
12 
1 
1913. 
Tamiary 
In. 
6.36 
2.46 
4.02 
S' 64 
3- 63 
2.00 
4 - 39 
In. 
P. ct. 
81.8 
61.4 
61.2 
Days. 
Days. 
8 
A. 
July. 
5 - 55 
3 
February 
S' 20 
1. 5 i 
2.46 
13 
August. 
7. 62 
3 * 2 S 
9 
March 
5 
0 
8 
September. 
6.42 
2. 58 
40. 2 
s 
5 
April.... 
IO 
A L 
October. 
4. 06 
.83 
20.4 
s 
5 
May . 
3 - 23 
2. 40 
. 10 
• 52 
57 * 3 
66.2 
4 
A 
November. 
1.46 
• 50 
34 - 2 
4 
4 
Tune 
5 
0 
A 
December. 
6. 79 
3*99 
49.9 
10 
10 
July. 
5- 0 
11. 8 
1 
2 
0 
9 
Total. 
August. 
4. 62 
• 00 
* 0 
Q 
H 
42.32 
16.93 
40.0 
45 
66 
September. 
11. 81 
7-37 
62. 3 
13 
1 
13 
-. 
October. 
3. 86 
2 , OO 
8 
2 
1910. 
November. 
1. 58 
** yy 
*63 
.67 
i i u b 
2Q, G 
5 
T 
January. 
2.14 
. 92 
43.0 
4 
3 
December 
i -15 
oy* y 
58.3 
x 
February. 
3 -Si 
2. 44 
1. 71 
1-37 
. 00 
48. 7 
56.1 
. 0 
7 
6 
3 
3 
March. 
t 
4 
2 
Total 
I27.08 
68 
April. 
1. 31 
0 
2 
5 i- 52 
1 5 2 - 6 
76 
May. 
4 - 36 
5 - 11 
* 73 
. 61 
16. 7 
11. 9 
2 
<> 
1914. 
Tanuary 
1 
.. ~ 
June. 
3 
7 
1. 02 
| 38 . 2 
j A 
July. 
7 * 59 
2. 90 
38. 2 
4. 4 
9 
18 
February 
• 39 
2 
2 
August. 
3- 82 
• 17 
1 
8 
March 
5 - 92 
4 - 5 i 
3 * 73 
.88 
2. 30 
3 - 84 
2.19 
37-0 
67. 2 
40. 8 
5 
8 
4 
September. 
3 - 72 
* 43 
11.6 
3 
8 
April 
3- 03 
5 
October. 
2.15 
. 14 
6-5 
I 
9 
May.... 
I* 52 
4 
4 
November. 
2- 93 
4. 00 
.63 
1*97 
21. s 
49.2 
3 
5 
8 
June. 
July. 
• 14 
• 19 
15 - 9 
I 
3 
December. 
8 
8-3 
I 
6 
13 
12 
6 
Total. 
August. 
3 - 3 » 
6- 70 
43 *o 8 
11. 58 
26. 9 
45 
82 
September. 
I.44 
21.5 
3 
1911. 
October. 
November. 
2. 24 
3. 71 
4.08 
1.08 
* 
48. 2 
AT. 2 
5 
c 
3 
January. 
1*33 
I.03 
77*4 
4 
2 
December 
86.8 
b 
7 
O 
February. 
1. 56 
S' 45 
. 22 
14. X 
43 * 1 
66.6 
2 
A 
3 * 54 
5 
March. 
2*35 
7187 
7 
4 
Total 
42. 25 
9 c A 
56 
April. 
11. 82 
14 
7 
15- °5 
35 - 0 
41 
May. 
3. 20 
2. so 
•36 
1.16 
78.1 
8-7 
31. 4 
8 
A 
June 0 . 
4 - 14 
2 
-i 
4 
1915. 
Tanuary 
6.00 
5 - 95 
1.07 
• OO 
S' 76 
96. 0 
83. 1 
260. 0 
July 0 . 
3 - 69 
s 
O 
February 
13 
4 
(L 
August a . 
6. 02 
■ 59 
9- 8 
3 
16 
March .. 
4 - 95 
2. 78 
.24 
11 
0 
September a . 
2. 18 
• 53 
24*3 
4 
9 
April . 
7 
3 
October . 
1. 96 
, 11 
5. 6 
1 
3 
May... 
1. 88 
2. 67 
7.09 
I 
0 
f. 
November. 
3 * 57 
1. 08 
30- 3 
6 
3 
June. 
* w 
* 00 
• O 
0 
0 
f. 
December. 
7. 40 
5.61 
75-8 
13 
10 
July. 
I- 54 
* O 
21. 7 
0 
5 
0 
5 
Total. 
52.32 
23.41 
44-7 
69 
75 
August. 
September. 
7.69 
8- 73 
1. 49 
1. 76 
19.4 
20.2 
5 
2 
10 
4 
1912. 
October. 
November. 
10 .33 
• 58 
2. 06 
14. 23 
.81 
137*3 
12 
A 
5 
January. 
4.41 
4. 94 
112. 0 
12 
6 
December 
.68 
A oy* j 
4 
3 
February... 
2. 82 
z. 48 
4.92 
6- 93 
7. 28 
52-4 
79. 1 
8 
4 
33 * 0 
3 
4 
March. 
6. 22 
12 
6 
Total 
63-4 
April. 
9. 68 
71. 6 
66.4 
14 
3 
54 - °5 , 
34- 24 
63 
50 
May. 
10.96 
13 
*7 
Average for 
period 
•(6.25 yrs.) 
June. 
4 
July. 
53-40 : 
-ft rv 
65.6 
75-4 
August. 
26. 05 
9 1 
September. 
October. 
I* 93 
2. 51 
9.69 ! 
» 22 
11.4 
36. 2 
79 - 9 
2 
A 
November. 
.91 
E> 7 - 74 
A 
4 
2 
December. 
l6 
II 
- 
Total. 
48. 22 | 
4.42 j 
71-4 j 
81 
48 
j 
1 
i 
: 
a No record. 
