Rubber (Hevea brasiliensis)

Spacing No. of plants/ha No. of plants/acre
Meters Feet
Rectangular system
5.5 x 3.7 18 x 12 499 202
5.8 x 3.0 19 x 10 566 229
5.8 x 3.4 19 x 11 514 208
6.1 x 3.0 20 x 10 539 218
6.1 x 3.4 20 x 11 489 198
6.4 x 3.0 21 x 10 511 207
6.4 x 3.4 21 x 11 467 189
6.7 x 3.0 22 x 10 489 198
6.7 x 3.4 22 x 11 445 180
7.0 x 3.0 23 x 10 467 189
Square system
4.3 x 4.3 14 x 14 549 222
4.6 x 4.6 15 x 15 479 194
4.9 x 4.9 16 x 16 420 170