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11752 items matching your criteria.
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An Improved Device for Making Paper Pots
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An improved machine for making pots from common roofing paper_ was devised at the U. S. Southern Great Plains Field Station in 1954 to replace a simple ...E. W. Johnson and G. G. Vanderslice
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© Improved elongation of Scots pine seedlings under blue light depletion is not dependent on resource acquisition
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© Improved germination of two Sphaeralcea A.St.-Hil. (Malvaceae) species with scarification plus stratification treatments
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Improved Handtools for Site Preparation
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Manual site preparation will continue to play an important role in reforestation efforts in the years ahead. New, more efficient handtools are now ...Benjamin J. Lowman
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Improved Hardwoods for Increased Utilization
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The quickest improvements for increased utilization can be made by applying cultural practices in immature stands. But the greatest progress can be made by ...Stephen G. Boyce
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Improved Hotbed Design for Winter Storage of Tree Seedlings
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New construction materials and environmental control features reduce labor and maintenance requirements in tree seedling-storage hotbeds.Daniel B. Houston and L. R. Johnson
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Improved Loblolly Pine of Northern Piedmont-Source Does Well in the Northern Coastal Plain
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Many organizations in the North Carolina State University-Industry Pine Tree Improvement Cooperative have landholdings in both the Piedmont and Coastal Plain ...John T. Talbert and Robert J. Weir
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Improved Management of Agricultural Drainage Ditches for Water Quality Protection: An Overview
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Agricultural drainage ditches are essential for the removal of surface and ground water to allow for crop production in poorly drained agricultural ...A. L. Allen, B. A. Needelman, J. S. Strock and P. J. A. Kleinman
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© An improved method for breaking dormancy in seeds of Sesbania sesban.
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Improved Method for Nursery Production of Quaking Aspen Seedlings
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An increasing interest in improved polyploid and hybrid aspen has demanded a method of producing large numbers of aspen seedlings at a minimum cost. Because ...Dean W. Einspahr and Miles K. Benson
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An Improved Method for Treating Pine Seeds with Bayleton
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Treating wetted pine seeds with Bayleton 50 WP at a rate of 4 oz of the product per 100 lb of seed provided protection against fusiform rust that was equal ...Walter D. Kelley
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An Improved Planting Gun and Bullet: A New Tree-Planting Technique
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The variety of forms in which the planting hoe, spade, and dibble have been designed attests to a general dissatisfaction with the hand-planting tools ...John Walters
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Improved Plastic Tubes for Seedlings
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Considerable attention has been given to planting trees using a tube in which seed has been germinated under controlled conditions and out-Planted in the ...Gary D. Schlaeger
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Improved Processing Techniques For Western Larch
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Refrigerating western larch seeds makes the resin in the seeds easier to remove, thus facilitating seed cleaning.Frederick Zensen
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© Improved protocol for micropropagation of saltbush (Atriplex) species
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Improved Reforestation With Seedbed Scarification Device
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Reforestation problems with Ocala sand pine on the Ocala National Forest are discussed. A seedbed scarifier developed by a private seeding contractor resulted ...Glenn Parham
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Improved Seed - What Does It Mean?
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Tree improvement, the art of applying genetic principles to upgrade the quality of forest stands, has rapidly come of age in the southern states. Whereas a ...Robert L. McElwee
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An Improved Seedlings Root-Volume Measuring Device
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A seedling root-volume measuring device has been exceedingly useful in our Forest Service research with sugar maple. The device, described by Austin,2 ...Clayton M. Carl, Jr. and Harry W. Yawney
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Improved Strains of Douglas-Fir for the Northeastern United States
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Provenances from the interior range of Douglas-fir were tested in Kalamazoo, Cass,and Osceola Counties, Michigan. Mortality, height growth, foliage color, ...Donald H. DeHayes and Jonathan W. Wright
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Improved Technique for Harvesting Amur Honeysuckle Seeds
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Pruning the branches of Amur honeysuckle, followed by mechanical removal of the fruit, reduced harvest time compared to handpicking. Although the pruned plants ...Cluster R. Belcher and Donald W. Hamer
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Improved Techniques Developed for Grafting Slash and Longleaf Pine
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Difficulties encountered in grafting mature longleaf pine (Pinus palustris Mill.) for establishment of seed orchards are well known. To circumvent the ...Charles R. Gansel
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Improved Techniques for Processing Prosopis Seed
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Demand has increased for seeds of the Prosopis spp. recently, especially for arid-land reforestation trials in underdeveloped countries. This demand created a ...Earl Belcher and F. M. Brown
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Improved Trees: Economic Promises and Pitfalls
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Surging demands for wood fiber that must be produced on a decreasing acreage of forest land suggest soaring prices, a shrinking market for wood products, or ...George F. Dutrow
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Improved Vegetative Propagation of Scouler Willow
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Demand has exceeded supply for conservation plantings of Scouler willow (Salix scouleriana Barratt ex Hook.). To test possible ways to improve propagation, ...John L. Edson, Annette D. Leege-Brusven and David L. Wenny
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Improved water saving in nursery production using Sphagnum peat.
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The Improvement and Breeding of Pinua patula
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Invited PresentationWilliam S. Dvorak
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The Improvement in Australia and New Zealand in Relation To Work in The United States
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Tree improvement work, in common with biological research in general, depends heavily on international cooperation. In the account which follows, I will ...John W. Duffield
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Improvement in Germination of Chirpine (Pinus roxburghii) by a Presowing Treatment with Hydrogen Peroxide
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Soaking of Pinus roxburghii seeds for 24 hours in H2O2 (1% v/v) solution showed 89.8% germination compared with 72.5% for seeds treated with distilled water ...S. K. Ghildiyal, C. M. Sharma and V. P. Khanduri
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Improvement of Chokecherry, Silver Buffaloberry and Hawthorn for Conservation Use in the Northern Plains
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The USDA SCS Plant Materials Center at Bismarck, North Dakota, initiated improvement projects on chokecherry, buffaloberry and hawthorn in 1976-1979 with ...Michael J. Knudson, Russell J. Haas, Dwight A. Tober and Dale C. Darris
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Improvement of Oaks
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This paper will have two primary aims; the first is to report current work being conducted on oaks and the second is to express some of my personal ideas on ...Kingsley A. Taft, Jr.
