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Relationships Among Chilling Hours, Photoperiod, Calendar Date, Cold Hardiness, Seed Source, and Storage of Douglas-Fir Seedlings
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Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) seedlings from three nurseries in the Pacific Northwest United States were lifted on five dates from ...Diane L. Haase, Nabil Khadduri, Euan Mason and R. Kasten Dumroese
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© Relationships between frost hardiness, rootgrowth potential, and photosynthesis of nursery-grown white spruce seedlings
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Relationships between monoterpine composition and fusiform rust resistance
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A. E. Squillace, M. Michelozzi and W. Lowe
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Relationships of Fruit and Seed Form, Size, Weight and Soundness of Graded Basswood Fruit
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Many studies support a positive relationship between seed size and germination, height, weight, or other factors important to the survival and growth ...George Stroempl
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Relationships of Seed Size, Number of Cotyledons, and Initial Growth of Southern Pines
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The high cost of producing seed from orchards and impending increases in the use of containerized seedlings for artificial regeneration have renewed interest ...William F. Mann, Jr.
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© Relative bulk density as a measure of compaction and its influence on tree height
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Relative Geographic Stability Of Resistance To Fusiform Rust Of Selected Slash Pine Families
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Ray E. Goddard and Robert A. Schmidt
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Release Characteristics of Nutrients from Polymer-Coated Compound Controlled Release Fertilizers
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Avi Shaviv, Chang-wen Du and Jian-ming Zhou
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Release Mechanisms for Slow- and Controlled-Release Fertilizers and Strategies for Their Use in Vegetable Production
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Kelly T. Morgan, Kent E. Cushman and Shinjiro Sato
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Release of Non-exchangeable 15NH4+ From Subgrade, Decomposed Granite Substrates and Uptake by Non-mycorrhizal and Mycorrhizal California Native Annual Grass, Vulpia Microstachys
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D. E. Rider, Ryan E. O'Dell and Victor P. Claassen
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Release potential of giant sequoia following heavy suppression: 20-year results
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Measurements of various morphological traits were collected prior to shrub removal, then sapling height growth response was measured periodically after the ...J. Battles, R. Heald and R. York
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Release rates of soluble and controlled-release boron fertilizers.
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The Relevance of Current Hardwood Forest Genetics Research to Urban Environment
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Howard B. Kriebel
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Reliability of Germination Testing Procedures and Germination Performance of Stored Eucalyptus camaldulensis Seed of Different Ages
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A detailed experimental design was developed to determine the consistency of germination within and between germination cabinets.B. V. W. Gunn, D. J. Solomon, E. R. Williams and J. C. Doran
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Reliability of Height and Diameter Remeasurements on Red Pine (Pinus resinosa Ait.) Seedlings
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James E. Johnson and Carl L. Haag
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Removal of Competition Bias from Forest Genetics Experiments
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D. T. Cooper and Robert B. Ferguson
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Removing black walnut hulls before direct seeding not always protection against rodent pilferage
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In an article in TPN, Nielson reported that removal of husks before direct sowing black walnut seed assures "practically 100 percent control" of rodent ...Robert E. Phares, David T. Funk and Charles M. Nixon
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Removing Cull Acorns From a Water-Willow Oak Acorn Lot Using Salt Solutions
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G. R. Johnson, Jr.
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Removing Douglas-Fir Cones with a Lower-Crown Branch Shaker
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A new type of branch shaker was developed to remove conesup to 25 ft (7.6 m) above the ground. In 1997 and 1998, thelower-crown branch shaker removed 64.5% and ...D. O'Rourke, Donald L. Copes and W. K. Randall
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Renewable Resources: Thier Significance in the Most Developed Part of the Country
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1. Northeastern U. S. and adjacent Canada, the most developed part of the continent:oldest area, settled and developed most; illustrations; coupon clipping as ...Dr. Henry H. Webster and Dr. Henry H. Webster
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Rental Charges and Use of a Machine in North Carolina
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The North Carolina Division of Forestry operates 2 Lowther tree planters on a custom basis. A charge of $4.50 per acre (based on 1,000 trees) is charged the ...P. A. Griffiths
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Reorganization of the Lake States Forest Tree Improvement Committee
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Paul O. Rudolf
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Repeatability of Tracheid Characteristics in Douglas-Fir Seedlings Grown Under Two Photoperiods
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J. Nicholson
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Repeated Fertilization Fails to Stimulate Cone Production in Young Loblolly Pine Stand
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The use of chemical fertilizers to increase cone crops in seed production areas has been the subject of numerous studies. However, a brief review of ...John A. Pitcher
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Repellent Treatment of Pine Seed for Bird Protection
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One of the serious problems at the W. W. Ashe nursery has been the protection of pine seed from birds in the beds from the time of sowing through the cotyledon ...Johnsey King
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Repellent-Coated Seed of Loblolly Pine can be Stratified
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Germination of unstratified, repellent-coated seed of loblolly pine is often slow and irregular, increasing the chance of depredation and causing ...Earl W. Belcher
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Repellents for Controlling Animal Browsing
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Feeding damage by animals is an increasing problem both in nurseries and after outplanting. Deer, in particular, are a serious pest. A recent survey of ...
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Repellents for Protection of Young Forest Trees From Rabbit and Rodent Damage
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Rabbit and rodent damage is the limiting factor in establishing many plantations of young forest trees. Shooting, trapping, and poisoning are methods of ...James R. Tigner and Jerome F. Besser
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Repetitive Reaction and Restitution (R3) Induction of Drought Hardiness in Conifer Container Seedlings
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Planting failures are often attributed to unexpectedly harsh conditions after planting. Characterization of soil water at the planting site, along with ...Jol Hodgson
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Replacement Points for Tree Planting Machine
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The Virginia Division of Forestry was having difficulty extending the life of a vital part of their tree planters--the point. One solution was to treat the ...T. S. Turner
