Download or read book Preemergent Herbicides for Preparing Ponderosa Pine Planting Sites in the Southwest written by L. J. Heidmann and published by . This book was released on 1970 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Preemergent Herbicides for Preparing Ponderosa Pine Planting Sites in the Southwest written by L. J. Heidmann and published by . This book was released on 1970 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Herbicides for Preparing Ponderosa Pine Planting Sites in the Southwest written by L. J. Heidmann and published by . This book was released on 1967 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Silviculture of Southwestern Ponderosa Pine written by Gilbert Herman Schubert and published by . This book was released on 1974 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the status of our knowledge of ponderosa pine silviculture in the southwestern States of Arizona, Colorado, New Mexico, and Utah. Economic value, impact on other uses, and the timber resource are discussed first, followed by ecological background, site quality, growth and yield, and silviculture and management. Relevant literature is discussed along with observations, experience, and results of unpublished research. Treatise is intended to serve as a reference tool for guidance in making management decisions and prescribing silvicultural treatments. Research needs are also considered.
Download or read book Herbicides for Preparing Ponderosa Pine Sites in Southwest written by and published by . This book was released on 1966 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Southwestern Pinyon juniper Ecosystem written by Earl F. Aldon and published by . This book was released on 1973 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vegetation Management for Reforestation written by and published by . This book was released on 1983 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thirty year Growth and Yield of a Ponderosa Pine Plantation in Arizona written by L. J. Heidmann and published by . This book was released on 1997 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Herbicide and Conifer Options for Reforesting Upper Slopes in the Cascade Range written by Edward J. Dimock and published by . This book was released on 1981 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book USDA Forest Service Research Paper RM written by Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) and published by . This book was released on 1974 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Postplanting Sprays of Dalapon and Atrazine to Aid Conifer Establishment written by Edward J. Dimock and published by . This book was released on 1981 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ponderosa Pine Bibliography II 1966 1970 written by and published by . This book was released on 1974 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications of the Rocky Mountain Forest and Range Experiment Station 1953 73 written by Glen E. Brink and published by . This book was released on 1974 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book USDA Forest Service General Technical Report INT written by Intermountain Forest and Range Experiment Station (Ogden, Utah) and published by . This book was released on 1972 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Forest Service Research Paper RM written by Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) and published by . This book was released on 1973 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Competing Vegetation in Ponderosa Pine Plantations written by Philip M. McDonald and published by . This book was released on 1989 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Planted ponderosa pine (Pinus ponderosa Dougl. ex Laws. var. ponderosa) seedlings in young plantations in California are at a disadvantage compared with competing shrubs, forbs, and grasses. In many instances, roots of competing plants begin expanding and exploiting the soil earlier and in greater numbers, thereby capturing the majority of available resources and lowering pine survival and growth. Competition thresholds or "how much is too much?" are: for treatments where a cleared radius is prescribed, no weeds are acceptable within the space needed for maximum growth of pine seedlings during the establishment period; for treatments involving the entire area, crown cover values of 10 to 30 percent seem to be the level beyond which shrub competition significantly affects pine growth. Methods for preparing the site, which include mechanical and chemical methods, use of fire, and combinations of treatments, show the interaction of site and ensuing vegetation. Techniques for controlling competing vegetation from seed include preventing such plants from getting started by use of preemergent herbicides or mats (collars). To prevent sprouting, hardwood trees and large shrubs can be pushed over, thereby getting the root crown out of the ground, or if still in the soil, grinding it out with a machine. Once present, the effect of weeds from seed can be minimized by grubbing or spraying when young, by grazing plants with cattle or sheep, or by introducing plants of low competitive ability. Once sprouting weeds are present, their effect can be minimized by spraying with chemicals, or if palatable, by grazing with cattle or sheep. Costs range from as low as $10 per acre ($25/ha) for aerially applying herbicides to $711 per acre ($1757/ha) for grinding out tanoak stumps.
Download or read book Research Paper PNW written by and published by . This book was released on 1978 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
