This section is from the book "Commercial Gardening Vol3", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Distance in Feet. | Number. |
1 | 43,560 |
1 1/2 | 19,360 |
2 | 10,890 |
2 1/2 | 6,970 |
3 | 4,840 |
3 1/2 | 3,556 |
4 | 2,722 |
4 1/2 | 2,151 |
5 | 1,742 |
5 1/2 | 1,440 |
6 | 1,210 |
Distance in Feet. | Number. |
6 1/2 | 1031 |
7 | 889 |
7 1/2 | 774 |
8 | 680 |
8 1/2 | 603 |
9 | 537 |
9 1/2 | 482 |
10 | 435 |
10i | 395 |
11 | 360 |
11 1/2 | 329 |
Distance in Feet. | Number. |
12 | 302 |
12 1/2 | 270 |
13 | 257 |
13 1/2 | 239 |
14 | 222 |
14 1/2 | 207 |
15 | 193 |
15 1/2 | 181 |
16 | 170 |
16 1/2 | 164 |
17 | 150 |
Distance in Feet. | Number. |
17 1/2 | 142 |
18 | 134 |
18 1/2 | 127 |
19 | 120 |
19 1/2 | 114 |
20 | 108 |
22 | 90 |
24 | 75 |
26 | 64 |
28 | 55 |
30 | 48 |
To obtain the number of plants to a square rod, pole, or perch at the above distances apart, divide the number of plants by 160, and the quotient will be the desired number. Thus 10890/160 = 68 plants to 1 rod.
 
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