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11752 items matching your criteria.
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Herbicide-resistant weeds in the United States and their impact on Extension
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Herbicides
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We are behind the agronomist in our use of modern organic herbicides, but we can do a lot more in the future than we've done in the past if we understand the ...Mason Carter
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Herbicides and Establishment Of Unrooted Poplar Cuttings
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After one growing season on tilled and un- tilled sandy loam sites, height of poplar cuttings on plots treated with simazine was twice that of those on ...Donald Dickmann, Randall Heiligmann and Kurt Gottschalk
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Herbicides and Their Effectiveness on Grasses
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Gale Buchanan
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Herbicides and Weed Control in Hardwood Seedling Production
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The mechanisms and chemicals so successfully utilized in pine seedling production were found to be not always compatible with hardwood nursery production. ...Eugene E. Turner
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Herbicides for Conifers: What's New
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Of recent interest to conifer nurserymen are the preemergence grass herbicides, with Poast (sethoxydim) and Fusilade (fluazifop-butyl) currently registered for ...Robyn L. Darbyshire
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Herbicides for controlling weeds at the Albaquerque Forest Tree Nursery
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In 1982, a study was initiated at Albuquerque, New Mexico, to test oxyfluorfen, bifenox, and propazine for controlling grasses and forbs in ponderosa pine ...L. J. Heidmann and Sally M. Haase
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Herbicides for Weed Control in Tree Nurseries
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Weed control during tree seedling production is of major importance. The Tree Nursery at Indian Head, Saskatchewan, Canada is currently using and testing ...Lyle K. Alspach
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Herbicides, an Important Component of the Weed Control Program at Oklahoma State (Norman) Nursery
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Ten herbicides were evaluated at the Oklahoma State Nursery for weed control on raising one-year seedling nursery beds. Phytotoxicity of DCPA, napropamide, ...Lawrence P. Abrahamson
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Herbicides- Their Limitations and Potentials for Site Preparation
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We now have about 12 years of experience with aerial applications and over 15 years of experience in the use of 2,4-D on forestry related woody weed ...Henry L. Hansen
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Hereditary Variations in Slash Pine Tracheids
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The foregoing resume of research on tracheid dimensions in coniferous species has offered strong evidence that variations in length may be genetically ...James T. Greene and L. W. R. Jackson
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Heritabilities and gains in volume, diameter and height for open-pollinated progeny of eastern white pine from the Cumberland Mountains
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Open-pollinated progeny of 22 white pine selections were analyzed for volume, stem diameter, and total height, and compared with Southern Appalachian ...John A. Mullins
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Heritabilities of Some First-Order Branching Traits in Pinus banksiana Lamb.
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Notwithstanding the scarcity of ornamental jack pine trees, however, twelve handsome young phenotypes have emerged variously among ca. twenty thousand trees ...R. Brooks Polk
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Heritability and Gain for Early Height Growth and Foliage Retention
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Open-pollinated seeds were collected and kept identified by mother tree from 64 natural stands of eastern cottonwood (Populus deltoides Bartr. ex Marsh. var. ...Jonathan P. Jeffreys and Samuel B. Land, Jr.
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Heritability and Variation of 8th Year Height in Four Subpopulations of Lake States Jack Pine
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Analysis of height at age eight (from seed) in four "index populations" of Lake States jack pine showed significant differences among 1/2-sib families, and ...Carl A. Mohn, Donald E. Riemenschneider, James W. Hanover, P. Bloese, Raymond O. Miller and Raymond P. Guries
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Heritability and Variation of 8th Year Height in Four Subpopulations of Lake States Jack Pine
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Analysis of height at age eight (from seed) in four "index populations" of Lake States jack pine showed significant differences among 1/2-sib families, and ...Carl A. Mohn, Donald E. Riemenschneider, James W. Hanover, P. Bloese, Raymond O. Miller and Raymond P. Guries
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Heritability Construction for Provenance and Family Selection
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Concepts and procedures for heritability estimations through the variance components and the unified F-statistics approach are described. The variance ...Fan H. Kung and Calvin F. Bey
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Heritability Estimates For Loblolly Pine Wood Specific Gravity Based On Control-pollinated Genetic Tests
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Specific gravity is an important wood quality trait that affects both the quality and quantity of pulp and solid wood properties. To determine the ...Thomas D. Byram and William J. Lowe
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Heritiera fomes Buch.-Ham.
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Heritiera minor Roxb Jekanazo, pinlekanazo, sunder, sundri (Troup 1921, Gamble 1922)M. K. Hossain and M. Z. U. Nizam
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Hermaphroditism in Populus
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Since 1878, a number of references have appeared in the literature describing abnormal flowering habits in Populus, chiefly P. tremuloides. Individual trees ...Frank S. Santamour
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Hernandia sonora L.
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HernandiaceaeJohn K. Francis
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Hernandia sonora L.
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Aguacatillo, cuajada, guaco, maga, mago, mano de León, tambor, voladorC. A. Alvarado, C. R. Alvarado and O. O. Mendoza
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Heteroplastic Grafting in the Genera Acer, Fraxinus, Picea, and Abies
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A study was initiated to determine the grafting compatibility of the several species collected for inclusion in the arboretum. It would be valuable to have ...John A. Pitcher
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Hevea brasiliensis Müll. Arg.
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Caucho, hevea, hule, jebe, seringueiraJ. Rodriguez and V. M. Nieto
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Hibiscus elatus Sw.
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MalvaceaePeter L. Weaver and John K. Francis
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Hibiscus tiliaceus L.
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H H. tiliaceus f. albiflorus (Degener & Greenwell) St. John; H. tiliaceus f. immaculatus (Degener & Greenwell) St. John; Paritium tiliaceum (L.) Juss. ex St. ...James A. Allen
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Hidden Changes In Douglas-Fir Seedlings Suggest Timing of Nursery Operations
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The study focused on two main questions: First, when do Douglas-fir seedlings grow at Wind River Nursery:-- height growth is readily seen, but growth by ...Kenneth W. Krueger
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Hidden electroprhoretic variation at the aconitase locus of Pinus bamksiana
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The aconitase locus (ACO) of jack pine (Pinus banksiana Lamb.) is highly polymorphic. Screening ACO variation simultaneously on two electrophoresis buffers ...Elizabeth A. Reed and David M. O'Malley
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© Hidden host plant associations of soilborne fungal pathogens: an ecological perspective
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The High Cost of the Low-Cost Polybag System: A Review of Nursery Seedling Production Systems
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An important strategy for meeting global landscape restoration goals is nursery production of high-quality seedlings. Growing seedlings with attributes that ...Diane L. Haase, Karma Bouzza, Lucy Emerton, James B. Friday, Becca Lieberg, Arnulfo Aldrete and Anthony S. Davis
