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Effects Of Manganese And Manganese Nitrogen Applications On Growth And Nutrition Of Douglas Fir Seedlings Classic Reprint
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Book Synopsis Effects of Manganese and Manganese-Nitrogen Applications on Growth and Nutrition of Douglas-Fir Seedlings (Classic Reprint) by : M. A. Radwan
Download or read book Effects of Manganese and Manganese-Nitrogen Applications on Growth and Nutrition of Douglas-Fir Seedlings (Classic Reprint) written by M. A. Radwan and published by Forgotten Books. This book was released on 2018-03-17 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Effects of Manganese and Manganese-Nitrogen Applications on Growth and Nutrition of Douglas-Fir Seedlings Effects of manganese (mn) on Douglas-fir grown in soil, with and without urea, and in nutrient solution were investigated. In addi tion, Mn sorption by forest soils was evaluated. Results show that Douglas - fir does not respond to added Mn and is quite tolerant to high Mn levels. Moreover, Mn sorption by soils is high. It is doubtful that Mn toxicity is of practical importance to production of Douglas-fir under forest conditions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Response of Douglas-Fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers (Classic Reprint) by : M. A. Radwan
Download or read book Response of Douglas-Fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers (Classic Reprint) written by M. A. Radwan and published by Forgotten Books. This book was released on 2018-01-21 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Response of Douglas-Fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers This study, therefore, was designed to study effects of N, S, and P additions on growth and nutrient content of Douglas - fir seedlings grown in two forest soils in a lathhouse. We are aware of the limitations of pot tests in providing prescriptions that can be directly applied to field situations. However, the very limited information about Douglas - fir nutrition now available and the high cost of establishing field tests strongly justify preliminary experimentation with seedlings. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Response of Douglas-fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers by : M. A. Radwan
Download or read book Response of Douglas-fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers written by M. A. Radwan and published by . This book was released on 1985 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Soil and Foliar Applications of Nitrogen Fertilizers on a 20-year-old Douglas-fir Stand by : Richard E. Miller
Download or read book Effects of Soil and Foliar Applications of Nitrogen Fertilizers on a 20-year-old Douglas-fir Stand written by Richard E. Miller and published by . This book was released on 1979 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Nutrient Allocation of Douglas-fir Seedlings by :
Download or read book Growth and Nutrient Allocation of Douglas-fir Seedlings written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Regeneration of Douglas-fir following harvesting has proven difficult on many sites in British Columbia. As a result, alternative nursery practices are being explored to improve seedling growth. Using two experiments I aimed to identify an improved nutritional program for Douglas-fir seedlings. The objective of the first experiment was to identify the optimum nitrogen (N) source ratio for Douglas-fir between two inorganic sources of N, ammonium (NH4+) and nitrate (NO3- ). Seedlings were grown in controlled environments in aeroponic culture with solutions containing 0:100, 20:80, 40:60, 60:40, 80:20 or 100:0 NH4+:NO3- ratios. Growth and nutrient allocation was observed for 45 days. Different NH4+ and NO3-ratios resulted in significant differences in growth and nutrient allocation. Seedlings grown in solutions containing abundant and relatively equal portions of NH4+ and NO3- were characterized by the greatest relative growth rates, greatest biomass and stable internal nitrogen concentrations. Seedlings grown in solutions containing high NH4+ (80:20 and 100:0 NHS+:NO3- ) concentrations were characterized by lower relative growth rates, less biomass, lower internal nutrient concentrations and lower rates of photosynthesis and root respiration compared to seedlings with less NH4+ (20:80, 40:60 and 60:40 NH4+:NO3- ). Seedlings appeared to take up a greater proportion of NH4+ than NO3- from solution. The objective of the second experiment was to examine the implications of two nursery fertilization regimes for growth and nutrient dynamics. Seedlings were grown in a nursery with nutrients added at a constant rate (conventional fertilization) or at an exponentially increasing rate of 2% day-1 (exponential nutrient loading). At the time of planting, half of the conventionally fertilized seedlings were planted with slow release fertilizer packets. Growth and nutrient allocation was observed for two years following planting. In the field experiment, although exponential nutrient.
Book Synopsis Growth and Nutrient Allocation of Douglas-fir Seedlings by : Kim Everett
Download or read book Growth and Nutrient Allocation of Douglas-fir Seedlings written by Kim Everett and published by . This book was released on 2005* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Regeneration of Douglas-fir following harvesting has proven difficult on many sites in British Columbia. As a result, alternative nursery practices are being explored to improve seedling growth. Using two experiments I aimed to identify an improved nutritional program for Douglas-fir seedlings. The objective of the first experiment was to identify the optimum nitrogen (N) source ratio for Douglas-fir between two inorganic sources of N, ammonium (NH4+) and nitrate (NO3- ). Seedlings were grown in controlled environments in aeroponic culture with solutions containing 0:100, 20:80, 40:60, 60:40, 80:20 or 100:0 NH4+:NO3- ratios. Growth and nutrient allocation was observed for 45 days. Different NH4+ and NO3-ratios resulted in significant differences in growth and nutrient allocation. Seedlings grown in solutions containing abundant and relatively equal portions of NH4+ and NO3- were characterized by the greatest relative growth rates, greatest biomass and stable internal nitrogen concentrations. Seedlings grown in solutions containing high NH4+ (80:20 and 100:0 NHS+:NO3- ) concentrations were characterized by lower relative growth rates, less biomass, lower internal nutrient concentrations and lower rates of photosynthesis and root respiration compared to seedlings with less NH4+ (20:80, 40:60 and 60:40 NH4+:NO3- ). Seedlings appeared to take up a greater proportion of NH4+ than NO3- from solution. The objective of the second experiment was to examine the implications of two nursery fertilization regimes for growth and nutrient dynamics. Seedlings were grown in a nursery with nutrients added at a constant rate (conventional fertilization) or at an exponentially increasing rate of 2% day-1 (exponential nutrient loading). At the time of planting, half of the conventionally fertilized seedlings were planted with slow release fertilizer packets. Growth and nutrient allocation was observed for two years following planting. In the field experiment, although exponential nutrient loading applied 25% more N in the nursery compared to the conventional regime, no benefits in growth or nutrient allocation were found. Two years after planting, there were no significant differences in height, root collar diameter or total dry mass between seedlings grown under the different nursery fertilizer regimes. In contrast, seedlings planted with additional fertilizer consistently outperformed seedlings grown with exponential nutrient loading, with greater height, root collar diameter and dry mass. Two growing seasons after planting there were no significant differences among treatments in whole-plant N concentrations.
Book Synopsis Nursery Fertilization of Douglas-Fir Seedlings with Different Forms of Nitrogen (Classic Reprint) by : M. A. Radwan
Download or read book Nursery Fertilization of Douglas-Fir Seedlings with Different Forms of Nitrogen (Classic Reprint) written by M. A. Radwan and published by Forgotten Books. This book was released on 2017-11-19 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Nursery Fertilization of Douglas-Fir Seedlings With Different Forms of Nitrogen Presently, the nurseries follow different fertilization regimes Which vary basically in the amount and form of nitrogen. Although amounts of nitro gen fertilizer applied are logically based upon the fertility of the nursery soil, choice of the nitrogen source has been largely empirical. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Relationship of Shoot-root Ration to Survival and Growth of Outplanted Douglas-fir and Ponderosa Pine Seedlings by : W. Lopushinsky
Download or read book Relationship of Shoot-root Ration to Survival and Growth of Outplanted Douglas-fir and Ponderosa Pine Seedlings written by W. Lopushinsky and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Nitrogen Fertilization on the Growth and Nitrogen Nutrition of Low-site Douglas-fir Stands by : Paul Edwin Heilman
Download or read book Effects of Nitrogen Fertilization on the Growth and Nitrogen Nutrition of Low-site Douglas-fir Stands written by Paul Edwin Heilman and published by . This book was released on 1961 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wrenching Douglas-Fir Seedlings in August by : William I. Stein
Download or read book Wrenching Douglas-Fir Seedlings in August written by William I. Stein and published by Forgotten Books. This book was released on 2018-01-08 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wrenching Douglas-Fir Seedlings in August: Immediate but No Lasting Effects Keywords: Regeneration, wrenching, nursery practices, seedling growth, browsing -regeneration, Douglas-fir, Pseudotsuga menziesii. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Wrenching Douglas-fir Seedlings in August by : William I. Stein
Download or read book Wrenching Douglas-fir Seedlings in August written by William I. Stein and published by . This book was released on 1984 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Foliar Mineral Content of Forest- and Nursery-grown Douglas-fir Seedlings by : Kenneth William Krueger
Download or read book Foliar Mineral Content of Forest- and Nursery-grown Douglas-fir Seedlings written by Kenneth William Krueger and published by . This book was released on 1967 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Large Stock and Fertilizer Improve Growth of Douglas-fir Planted on Unstable Granitic Soil in Northern California by : R. O. Strothmann
Download or read book Large Stock and Fertilizer Improve Growth of Douglas-fir Planted on Unstable Granitic Soil in Northern California written by R. O. Strothmann and published by . This book was released on 1980 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use of large stock and fertilizer resulted in significant increases in seedling height growth, but not in better survival.
Book Synopsis Effects of Watering Treatments on Germination, Survival, and Growth of Rocky Mountain Douglas-fir by : Daniel L. Noble
Download or read book Effects of Watering Treatments on Germination, Survival, and Growth of Rocky Mountain Douglas-fir written by Daniel L. Noble and published by . This book was released on 1978 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Release of Douglas-fir Seedlings by : Phillip M. McDonald
Download or read book Release of Douglas-fir Seedlings written by Phillip M. McDonald and published by . This book was released on 1986 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chilling Requirements for Optimal Growth of Rocky Mountain Douglas-Fir Seedlings (Classic Reprint) by : S. P. Wells
Download or read book Chilling Requirements for Optimal Growth of Rocky Mountain Douglas-Fir Seedlings (Classic Reprint) written by S. P. Wells and published by Forgotten Books. This book was released on 2017-11-19 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Chilling Requirements for Optimal Growth of Rocky Mountain Douglas-Fir Seedlings Increases in duration of chilling period up to 17 weeks resulted in earlier bud burst and progressive increases in growth (table 3; fig. After 17 weeks of chilling, little effect of an increased chilling period was evident. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Douglas-fir Survival and Growth in Response to Spring Planting Date and Depth by : R. O. Strothmann
Download or read book Douglas-fir Survival and Growth in Response to Spring Planting Date and Depth written by R. O. Strothmann and published by . This book was released on 1971 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
