Old Field Planting of White Spruce in Southern Ontario
An experiment with white spruce 2-0 and 2-2 planting stock was established in the spring of 1962 on an old field at Midhurst Nursery, about 50 miles north of Toronto. At the time of the experiment, there was a moderate to heavy grass sod, with many weeds. The planting area was level and stone free, and the soil was fresh to moist. Soil tests had indicated a moderate level of organic matter, good levels of P and K, but very low N. The pH was about 5.0 at the time of planting. The planting stock was obtained from Midhurst Nursery, and the seed source was from the same site region as the planting location (3). The 2-0 was selected from the largest stock available in the seedbeds, and the 2-2 trees were taken from regular shipping supplies. The 2-0 averaged about 7.5-8.0 cm. in top length and 0.7 to 1.0 g. in ovendry weight; the 2-2 averaged 20- 25 cm. in top length and 8.0 to 10.0 g. in ovendry weight.
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Author(s): R. E. Mullin
Publication: Tree Planters' Notes - Volume 21, Number 3 (1970)
Volume: 21
Number: 3