Nursery practice on the national forests

 
9781130906141: Nursery practice on the national forests
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...transplanted the previous fall is not yet shipped; fertilizer crops (where green manuring is practiced) can not be turned under in time to decay before transplanting; and the transplanted stock is likely during the winter to be heaved out of the ground or winterkilled because the roots have not taken a firm hold on the soil. Severe losses of fall transplanted western yellow pine at the Savenae, Pocatello, Uinta, and Pilgrim Creek Nurseries have been caused by heaving. Spring transplanting is, in general, preferable to fall transplanting. The chief objection to it is that growth in the seed beds may start before the transplanting can be completed, causing loss in the transplant beds. The danger can be obviated by working a large transplanting crew and rapidly finishing the operation. Spring transplanting should be started as early as the condition of the soil will permit and then rushed. At the Bessey Nursery the loss in transplanting jack pine and western yellow pine in April was 12 and 17 per cent, respectivelv, and increased to 30 and 40 per cent in May (PI. XVI). If the beginning of growth threatens or starts before transplanting is finished, there is a possibility that it may be checked, but none of the known methods is highly efficient. One method is to heel the plants in the ground in a cool, shady situation, such as the bank of a small stream where there is good, fine soil. A trench deep enough to accommodate the roots and with one sloping side is dug; the plants are spread out along the sloping side in a layer two or three deep with their tops above the surface of the soil and their roots extended to the bottom of the trench; anol the loose soil is then thrown over the roots and packed well. If the soil is dry it is watered immediately and at interv...

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