Site Preparation As Related To Ground Cover Density In Natural Regeneration Of Ponderosa Pine Classic Reprint
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Site Preparation as Related to Ground Cover Density in Natural Regeneration of Ponderosa Pine (Classic Reprint)
Author | : D. Tackle |
Publisher | : Forgotten Books |
Total Pages | : 418 |
Release | : 2018-01-08 |
Genre | : Business & Economics |
ISBN | : 9780428084561 |
Excerpt from Site Preparation as Related to Ground Cover Density in Natural Regeneration of Ponderosa Pine Surface disturbance of the forest floor by mechanical means is recognized as a cultural measure for aiding establishment of conifer seedlings. Present harvesting practices in the ponderosa pine type create favorable seedbed conditions to a limited extent during the nor mal course of logging, but purposeful seedbed preparation has not been the rule. More information on the effect of competing vegetation on germination and early establishment of pine would aid greatly in plan ning treatments for adequate restocking. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Natural Regeneration of Ponderosa Pine as Related to Land Use and Fire History on the Pajarito Plateau
Author | : Loren D. Potter |
Publisher | : |
Total Pages | : 34 |
Release | : 1982 |
Genre | : Ponderosa pine |
ISBN | : |
Natural Tree Regeneration After Clearcutting in Arizona's Ponderosa Pine Forest
Author | : Peter F. Ffolliott |
Publisher | : |
Total Pages | : 6 |
Release | : 1991 |
Genre | : Ponderosa pine |
ISBN | : |
Evaluation of Ponderosa Pine Reforestation Techniques in Central Arizona
Author | : L. J. Heidmann |
Publisher | : |
Total Pages | : 18 |
Release | : 1977 |
Genre | : Ponderosa pine |
ISBN | : |
Influence of Some Environmental Factors on Initial Establishment and Growth of Ponderosa Pine Seedlings
Author | : Michael G. Harrington |
Publisher | : |
Total Pages | : 32 |
Release | : 1979 |
Genre | : Ponderosa pine |
ISBN | : |
Competing Vegetation in Ponderosa Pine Plantations
Author | : Philip M. McDonald |
Publisher | : |
Total Pages | : 32 |
Release | : 1989 |
Genre | : Plant competition |
ISBN | : |
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.
Timing and Duration of Release Affect Vegetation Development in a Young Ponderosa Pine Plantation
Author | : Philip M. McDonald |
Publisher | : |
Total Pages | : 24 |
Release | : 2001 |
Genre | : Plant succession |
ISBN | : |