Download or read book Container grown Ponderosa Pine Seedlings Respond to Fertilization written by David P. Trujillo and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Container grown Ponderosa Pine Seedlings Respond to Fertilization written by David P. Trujillo and published by . This book was released on 1976 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Container grown Ponderosa Pine Seedlings Respond to Fertilization written by David P. Trujillo and published by . This book was released on 1976 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fertilization of 2 0 Ponderosa Pine Seedlings in the Nursery and Field written by John F. Gleason and published by . This book was released on 1988 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-year-old ponderosa pine (Pinus ponderosa Laws.) from two seed sources were grown at two nurseries. The Fremont seed source was raised at Bend and Stone Nursery; the Ochoco was grown at only the Bend Nursery. The seedlings were fertilized in late September-early October with nitrogen (N) or nitrogen plus potassium (NK). Foliar nutrient analysis at the time of lifting indicated both the N and NK treatments increased N concentration 7-10% in two of the three nursery/seed source combinations but had no effect on the Other. The added K had no effect on K concentrations. None of the nursery treatments had any significant effect on any of the morphological characteristics measured in all three nursery/seed source combinations. The N treated seedlings from both seed sources at the Bend nursery appeared to be less susceptible to frost damage. In seedlings from the same nursery, there were no differences in mean days to budbreak among any of the treatments. The seedlings were lifted from the nurseries and planted back to their respective seed source sites. One-half of the seedlings at both sites were fertilized with a slow-release fertilizer one month after planting. There were no nursery treatment or field fertilizer treatment differences in first-year survival, which ranged from 96- 100%, although there were slight survival differences between nurseries at the Fremont site. Foliar samples taken immediately before the slow-release fertilizer application indicated that the NK nursery treatment at the Fremont site was the only nursery treatment with increased N concentration. These seedlings grew 26% more than the control seedlings and 19% more than the N treated trees during their first growing season in the field. Compared to non-field fertilized trees, the field fertilized seedlings at the Fremont site had higher foliar N concentrations and contents and heavier fascicles by the end of the first growing season although the non-field fertilized trees grew 12% more. At the Ochoco field site, the nursery fertilizer and field fertilizer treatments had no effect on seedling N levels or first year survival and growth. At the beginning of the growing season at the Fremont site, seedlings from the Bend nursery had heavier fascicles and greater N concentrations and contents than the Stone Nursery's seedlings. However, the Stone Nursery trees grew 44% more during the first growing season. The seedlings responded differently depending upon the field site at which they were planted. A graphical representation of the changes in fascicle weight, nutrient concentration, and nutrient content during the first growing season assisted in the interpretation of the responses at the two sites and provided an indication of the potential for future growth. The fascicle weights and N concentrations and contents of the Fremont site (the harsher, less fertile location) trees decreased 23%, 14%, and 33% respectively. At the Ochoco, the fascicle weights decreased just 6% and N concentration increased 14% although Ochoco seedlings grew less than those on the Fremont during the first growing season. The higher nutrient levels and heavier fascicles exhibited by the Ochoco trees could be a good indicator of how those seedlings respond in the coming years. Second year results should be analyzed before any final conclusions are made about this study, especially concerning field fertilization and how the seedling responses vary by site.
Download or read book Response of Individual Ponderosa Pine Trees to Fertilization written by P. H. Cochran and published by . This book was released on 1973 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fertilization and Spacing Effects on Growth of Planted Ponderosa Pine written by P. H. Cochran and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book USDA Forest Service Research Note RM written by Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) and published by . This book was released on 1976 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Multiresource Management of Southwestern Ponderosa Pine Forests written by and published by . This book was released on 1991 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Forest Service Research Note written by United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo and published by . This book was released on 1976 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Container grown Ponderosa Pine Seedlings Outperform Bareroot Seedlings on Harsh Sites in Southern Utah written by John P. Sloan and published by . This book was released on 1987 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fertilization and Spacing Effects on Growth of Planters Ponderosa Pine written by and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications of the Rocky Mountain Forest and Range Experiment Station 1974 1979 written by and published by . This book was released on 1980 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response of Ponderosa Pine 8 Years After Fertilization written by P. H. Cochran and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Heavy Fertilization Increases Diameter Growth Slightly in a 55 year old Ponderosa Pine Stand in Central Arizona written by L. J. Heidmann and published by . This book was released on 1985 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response of Containerized Black Spruce and Jack Pine Seedlings to Fertilization Rate and Growing Medium written by Stephen John Colombo and published by Maple : Ontario Tree Improvement and Forest Biomass Institute. This book was released on 1988 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the presence of handbooks for the production of containerized tree seedlings, the determination of appropriate rates of fertilization remains an inexact science, since the rate and timing of fertilization can be affected by factors such as local variation in water chemistry, growing media, and the environment in each greenhouse. This report presents the results of semi-operational trial of fertilizer rates and growing media to assess for black spruce and jack pine container seedlings; the range of fertilizer concentrations and seedling nutrient contents resulting in best seedling growth; and the effect of fertilization on bud development and fall freezing damage. Black spruce and jack pine seedlings were grown at the Swastika Tree Nursery according to operational greenhouse practices, at 0, 1/3, 1, 3 or 9X the operational fertilization rates for each species in three growing media.
Download or read book General Technical Report RM written by and published by . This book was released on 1985 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fertilization of Young Longleaf Pine in a Cultivated Plantation written by Ralph H. Hughes and published by . This book was released on 1971 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
