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Title: Nursery practices influence seedling morphology, field performance, and cost efficiency of containerized cherrybark oak.

Author: Howell, Kirk D.; Harrkngton, Timothy B.;

Date: 2004

Source: Southern Journal of Applied Forestry. 28(3): 152-162

Publication Series: Miscellaneous Publication

Description: To quantify effects of nursery practices on seedling cost and performance, cherrybark oaks (Quercus pagoda L.) were grown in three container sizes (170, 650, or 1,250 cm z) with or without fertilization and then planted Dec. 1995 at a site near Milledgeville, GA, with or without removal of container soil. Initial size, biomass, and leaf area of seedlings grown in medium and large containers were up to twice those grown in small containers, and they were greater with versus without fertilization. Price efficiency (stem volume divided by estimated nursery price of 1,000 seedlings) was greatest for medium and large containers with soil removed and hypothetically reused. Differences in stem diameter and height due to container size and fertilization continued to diverge through the fifth year after planting. Fifth-year yield (stem volume × proportionate survival of 1,000 planted seedlings) increased 104, 56, and 31% with increasing container size and with fertilization and soil removal, respectively. Cost efficiency (fifth-year yield divided by costs compounded 5 years at 5% interest) was greatest for medium and large containers with soil removed. Joint comparisons of nursery costs, planting costs, and field performance for different seedling stock types provide an objective approach for prioritizing cultural treatments in forestry.

Keywords: Seedling quality, plantation, forest regeneration, benefit-cost ratio

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Citation:


Howell, Kirk D.; Harrkngton, Timothy B. 2004. Nursery practices influence seedling morphology, field performance, and cost efficiency of containerized cherrybark oak. Southern Journal of Applied Forestry. 28(3): 152-162

 


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