250 
Journal of Agricultural Research 
Vol. XI, No. 6 
Table I. —'Rainfall and run-off on the Smithport Planting Company tract, June , 
igog , to September, igi 5, inclusive 
Month. 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pump 
ran. 
Rain 
fell. 
1909. 
June,. 
Ins. 
10, 63 
Ins. 
4. 20 
P.ct. 
39 - 5 
Days. 
12 
Days. 
12 
July. 
2.19 
.46 
21.0 
2 
7 
August. 
8. 6a 
3 - 40 
39 * 5 
6 
12 
September. 
5- 61 
2. 71 
48-3 
55-8 
. 0 
7 
7 
October. 
2. 90 
2. 00 
1. 62 
4 
3 
Mnvpmhpr . 
. 00 
0 
5 
December. 
5. 26 
3-44 
65-4 
10 
11 
Total . 
37- 21 
15-83 
42. 5 
41 
57 
1910. 
January. 
2- IS 
4 - IS 
1. 26 
58.6 
34- 2 
7 
4 
February. 
1. 42 
7 
8 
March. 
1. 00 
. 47 
47.0 
. 0 
3 - 6 
3 
2 
April. 
May. 
. 12 
3 - 29 
. 00 
. 12 
0 
1 
2 
7 
June. 
July. 
5-43 
10. 39 
3 - IS 
• 17 
4. 96 
. 28 
3 -1 
47 * 7 
1 
13 
11 
17 
August. 
8.9 
4 
9 
September. 
3 * 84 
.58 
•37 
• 25 
•95 
IS-1 
13-9 
10.0 
7 
6 
October. 
2. 68 
3 
8 
November. 
2. 52 
2. 76 
3 
4 
December. 
34 - 4 
6 
6 
Total. 
41. 48 
10. 83 
26. 1 
55 
84 
1911. 
January. 
1. 5 ° 
I- 73 
2. os 
6.44 
3. 08 
•93 
. 66 
62. 0 
5 
2 
February. 
38. 2 
27.8 
46.9 
45-4 
. 0 
5 
5 
March. 
• 57 
3. 02 
4 
4 
April. 
9 : 
7 
May. 
1. 40 
.00 
7 
7 
June. 
2. 29 
0 
8 
July. 
7 - 5 ° 
10. 87 
3 - 7 i 
4.07 
4. 81 
1, 97 
5 - IS 
.82 
26. 3 
16 
IS 
IS 
12 
August... 
47-4 
22.1 
16 
September. 
7 
October. 
November. 
1.97 
2. 14 
7. 21 
48.4 
44 - 5 
no. 7 
8 
6 
6 
5 
December. 
6. 51 
19 
10 
Total. 
S 4 - 56 
25-84 
47-4 
102 
96 
1912. 
January. 
February. 
3 - 8s 
3 - 78 
6. 83 
2. 61 
177-4 
69. 1 
57-4 
5 i- 6 
16 
7 
8 
5 
March. 
3- 66 
2. 10 
7 
7 
April. 
3. 62 
1. 87 
4 - 65 
10. 24 
6. 90 
7 
10 
May. 
6. 09 
7 - 73 
5 - 39 
5- 50 
1. 99 
2. 18 
7&3 
132.0 
128. 0 
13 
24 
19 
5 
1 
6 
June. 
9 
July. 
11 
August. 
September. 
1* 53 
. 24 
• 75 
27. 8 
12.1 
10 
3 
October. 
34-4 
44 - 1 
96. 7 
2 
4 
November. 
3. 72 
1. 64 
10. 98 
8 
3 
December. 
H -35 
22 
i 5 
Total .. 
58. 86 
50-34 
I Ss -5 
131 
91 
Month. 
IQI3- 
January... 
February.. 
March. 
April. 
May. 
June. 
July. 
August.... 
September. 
October.... 
November. 
December., 
Total. 
1914. 
January... 
February.. 
March. 
April. 
May. 
June. 
July. 
August.... 
September. 
October ,.. 
November. 
December. 
Total. 
1915- 
January.... 
February... 
March. 
April. 
May. 
June. 
July. 
August. 
September.. 
October a ... 
November « 
December a . 
Total. 
Averages for 
period 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pump 
ran. 
Rain 
fell. 
Ins. 
Ins. 
P.ct. 
Days. 
Days. 
4-3i 
4.11 
95-3 
12 
6 
2. 60 
1. 76 
67. 7 
7 
7 
4- 57 
3- 27 
71. 6 
10 
7 
2. 68 
1.03 
39- 2 
3 
4 
3-49 
1. 69 
48.6 
3 
4 
2. 77 
. 22 
7-9 
1 
7 
io- 78 
4-68 
43-5 
10 
11 
6. 47 
4.14 
62. 2 
9 
9 
14. 26 
6-34 
44.4 
10 
IS 
3- 53 
7-45 
211. 0 
13 
7 
2. 14 
1. 24 
58.0 
2 
3 
2.41 
1. 78 
74-0 
6 
6 
60. 01 
37- 73 
62. 9 
86 
86 
i- 34 
i- IS 
85. 8 
3 
3 
5- 71 
2. 98 
52. 2 
6 
4 
3-38 
3-38 
100.0 
9 
4 
i-43 
• 75 
52.4 
3 
3 
1-43 
•43 
30-1 
2 
3 
1-95 
• 49 
25- 1 
2 
2 
10. 01 
4. 81 
48. 5 
10 
15 
6. 06 
3-7i 
61. 2 
12 
9 
4. 22 
2. 04 
48.3 
7 
S 
2. 28 
98. 7 
4 
2 
10.01 
7* 73 
77. 2 
10 
7 
4-25 
6. 39 
150.4 
18 
S 
52. 10 
36. 14 
69-4 
86 
62 
5-03 
4. 68 
93-0 
12 
5 
5- 56 
3-35 
60. 3 
10 
6 
2. 23 
2. 41 
108. 0 
6 
4 
. 00 
. 00 
0 
0 
2. 58 
• 52 
20. 2 
2 
4 
1-44 
2. 36 
164. 0 
4 
4 
5-96 
3- 31 
55-5 
5 
9 
5- 70 
2. 87 
50-3 
11 
10 
2. II 
•3i 
14- 7 
1 
3 
30. 61 
19.81 
64- 7 
5i 
45 
50. 8 
26. 2 
51.6 
76- 5 
79- 2 
a Records omitted, as they do not represent normal conditions. 
Conditions during 1914. —During this year the whole of the tract was 
under cultivation. With the exception of one period in April, when the 
district was flooded with water from the adjacent highland, it was well 
drained throughout the year. The rainfall and amount pumped during 
the above-mentioned period are omitted from Table I, as they do not 
represent normal conditions. In November a very heavy rainfall 
occurred, which gave the highest rate of pumping, due to rainfall, so far 
experienced on this district (Table I). While the seservoir was full for 
