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11752 items matching your criteria.
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pennington.pdf
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A seven-day program using irrigation to completely activate BASAMID®, seal the soil surface and maintain toxicant contract within the soil profile has been ...W. Pennington
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27_1_15.pdf
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The increasing use of greenhouses for the accelerated production of forest tree seedlings emphasizes the need to employ labor-saving devices for such routine ...John B. Scarratt and W. A. McDonald
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28_3_4_27_28.pdf
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An automatic device for watering at the right time and in the right amount.Gerald A. Walters
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28_3_4_27_28.pdf
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An automatic device for watering at the right time and in the right amount.Gerald A. Walters
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29_3_18_21.pdf
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Azinphosmethyl is unlikely to have a direct role in the dieback troubling Southern pine seed orchards. It could possibly aggravate dieback, but it does ...Gerhard F. Fedde and Gary L. DeBarr
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29_3_18_21.pdf
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Azinphosmethyl is unlikely to have a direct role in the dieback troubling Southern pine seed orchards. It could possibly aggravate dieback, but it does ...Gerhard F. Fedde and Gary L. DeBarr
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45_2_47_52.PDF
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In northwestern Ontario, large numbers of container seedlings are overwintered either outdoors or in frozen storage. Seedlings stored outdoors are subject to ...Lisa J. Buse and Robert E. Whaley
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0. Introduction
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Jack May
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01. Basic Concepts of Nursery Soils Management
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Intensive management is needed to grow 700,000 to 800,000 plantable seedlings per acre in a nursery. This requirement is particularly strong when the nursery ...Dr. Jack T. May
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01: Importance to reforestation
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High-quality seedlings are those that meet defined levels of performance (survival and growth) on a particular forest site. Improved evaluation of seedling ...Mary L. Duryea
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02. Site Selection
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Selecting a site for a permanent forest tree nursery is not only a difficult task, but it is also the most important step in the production of tree seedlings. ...Dr. Jack T. May
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02: Bud dormancy
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The classical definition of dormancy is relevant only to the shoot apical meristems of perennial, woody, temperate-zone plants and is weak in that it specifies ...Denis P. Lavender
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03. Nursery Design and Layout
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An intensive soil surver and an accurate topographic map of the nursery site provide the basis for a detailed development plan. The USDA Soil Conservation ...Dr. Jack T. May
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03: Techniques for determining seedling water status and their effectiveness in assessing stress
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Three basic characteristics describe plant water status: (i) water content relative to that at full saturation, (ii) energy status of water in the cells, and ...Robert J. Joly
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04. Seedbed Preperation
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The success of seed sowing, germination and consequent seedling growth depends to a great degree upon the quality of soil preperation. Nursery areas that have ...Dr. Jack T. May
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04: Mineral nutrition as an index of seedling quality
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Seedling quality, when defined as outplanting performance, is logically related to its mineral nutrient status. Nutrients such as nitrogen and phosphorus ...Thomas D. Landis
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05. Seed Handling
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Acquiring seed to grow nursery seedlings is an extremely important step in the regeneration process. The quality of the seedlings produced depends on both the ...Earl W. Belcher, Jr.
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05: Carbohydrate status as a measure of seedling quality
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Seedlings depend on reserve carbohydrates from the time they are lifted until photosynthesis is sufficient to meet the demands of growth and respiration. If ...John D. Marshall
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06. Sowing and Mulching
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Each of the Southern pines has different but exacting requirements for seed germination and seedling establishment. To successfully produce millions of pine ...Dr. Jack T. May
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06: Seedlings morphological evaluation-- What you can tell by looking
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Grading for height and root collar diameter is practiced by many nurseries as a basis for separating out stock of poor quality. Experiments relating seedling ...Barbara E. Thompson
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07. Seedling Growth and Development
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Development and growth of seedlings begins with germination and continues until the seedlings are lifted. Among the multitude of factors or conditinos ...Dr. Jack T. May
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07: OSU vigor test: Principles, procedures, and predictive ability
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A vigor test has been developed at Oregon State University to assess the quality of planting stock. The basic premise is that seedlings are exposed to ...Douglas D. McCreary and Mary L. Duryea
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08. Lifting and Field Packing
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The lifting season is a period of peak activity in a nursery. Seedling distribution operations may include pretreatment of seedlings or seedbeds, undercutting ...Dr. Jack T. May
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08: Root growth potential: Principles, procedures and predictive ability
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Root growth potential (RGP) is the ability of a tree seedling to initiate and elongate roots when placed into an environment favorable for root growth. The ...Gary A. Ritchie
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09. Seedling Quality, Grading, Culling and Counting
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Quality in the context of this handbook means the seedling's fitness for planting in the forest. Two of the major attributes of seedling quality are: 1) ...Dr. Jack T. May
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09: Frost hardiness of coniferous seedlings: Principles and applications
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The external factors that influence frost hardiness such as temperature, light, moisture and nutrients are examined as well as the internal biochemical changes ...Christiaan Glerum
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1-0 Douglas-fir: A bare-root planting option
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1-0 seedlings of Douglas-fir from five physiographic regions in northern California and western Oregon were lifted monthly in winter in Humboldt Nursery, ...James A. Nelson and James L. Jenkinson
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1. Brown Spot Needle Blight
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Scott A. Enebak and Tom Starkey
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1. Introducción
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1. Introduction
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David Wenny, R. Kasten Dumroese and Thomas Landis
