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Author : John P. Sloan
Publisher : Unknown
Page : 16 pages
File Size : 53,8 Mb
Release : 1994
Category : Conifers
ISBN : MINN:31951D02988545Q
Author : John P. Sloan
Publisher : Forgotten Books
Page : 22 pages
File Size : 41,8 Mb
Release : 2017-11-10
Category : Electronic
ISBN : 026076406X
Excerpt from Root Dipping of Conifer Seedlings Shows Little Benefit in the Northern Rocky Mountains We tested the effects of vermiculite slurry on lodge pole pine seedlings in growth chambers. All roots were trimmed to 8 inches. The composition of the slurry was a ratio of number 4 grade agricultural ver miculite to water. The mixture was run through a pump to grind up the vermiculite and form a muddy suspension. Treated seedlings were dipped before being potted in 9-inch pots. Control seedlings were not dipped. Pots were randomly arranged in three growth chambers. Conditions were set at 16 hours light period daily, with temperatures of 75 °f during light and 60 °f during dark. At the end of 1 month, the seedlings were carefully removed from the pots, soil was washed from their roots, and the light-colored new roots were counted and measured. Growth Chamber Experiment 1 -the objective of our first experiment in the growth chamber was to determine the effects of a vermiculite slurry root dip on lodgepole pine root and shoot growth. It lasted 31 days in February and March of 1984. The sample size was 30 seedlings: 15 dipped and 15 controls. The potting medium was a mixture by volume of sandy loam soil, peat moss, and vermiculite. The pots were watered to saturation twice a week. Growth Chamber Experiment 2 - The objective of the second experiment was to determine the effects of the same root-dip substance on the shoot and root growth of lodgepole pine seedlings in four different soils. It lasted 30 days in March and April of 1985. The sample size was 48 seedlings. Six replications of eight seedlings were divided between three growth chambers, two replications in each chamber. Each replication consisted of a dipped and an undipped tree, planted in soils of four different origins: limestone forest soil, granitic forest soil, basaltic forest soil, and peat-vermiculite-sandy loam (see Growth Chamber Experiment Pots were. Randomly arranged within the growth chamber for each replication. Pots were watered to saturation once each week. 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.
Author : Bruce Leigh Welch
Publisher : Unknown
Page : 658 pages
File Size : 51,5 Mb
Release : 1994
Category : Sagebrush
ISBN : STANFORD:36105110631707
Author : Anonim
Publisher : Unknown
Page : 242 pages
File Size : 45,5 Mb
Release : 1993
Category : Forests and forestry
ISBN : UOM:39015036974114
Author : Bruce Leigh Welch,David N. Cole,E. Durant McArthur,Gordon D. Booth,John P. Sloan,Kathleen Geier-Hayes
Publisher : Unknown
Page : 136 pages
File Size : 40,5 Mb
Release : 1994
Category : Abies grandis
ISBN : OSU:32435055996854
Author : Anonim
Publisher : Unknown
Page : 1048 pages
File Size : 51,7 Mb
Release : 1995-03
Category : Government publications
ISBN : UIUC:30112018364361
Author : Anonim
Publisher : Unknown
Page : 1450 pages
File Size : 55,7 Mb
Release : 2024-06-30
Category : Government publications
ISBN : WISC:89117117994
Author : Anonim
Publisher : Unknown
Page : 256 pages
File Size : 49,8 Mb
Release : 1985
Category : Forests and forestry
ISBN : CUB:U183029135474
Author : Anonim
Publisher : Unknown
Page : 260 pages
File Size : 49,6 Mb
Release : 1993
Category : Forests and forestry
ISBN : UCBK:C069173860
Author : Anonim
Publisher : Unknown
Page : 112 pages
File Size : 53,8 Mb
Release : 1995
Category : Biomass energy
ISBN : UFL:31262090675322
Author : Kenneth P. Dunne,A. Mahendra Rodrigo,Edward Samanns
Publisher : Unknown
Page : 306 pages
File Size : 51,5 Mb
Release : 1998
Category : Marsh plants
ISBN : MINN:31951D00369058U
This report explains the process involved when proceeding from a wetland mitigation design concept to a fill' engineering package that is suitable for public bid and advertisement The information provided is geared toward educating nonengineering professionals engaged in developing wetland mitigation specifications The biological foundations for the various elements are first presented, followed by full guideline specifications. The vegetation specifications address site preparation, plant material acquisition, transport, handling, and storage of seeds, herbs, and saplings, planting methods for various stock types, different seeding methods, tiring of planting in conjunction with seasonal variations, hydrological considerations such as tidal cycle, water level and rainfall patterns, equipment access and type, protection measures for herbivory, inundation and vandalism, fertilization and amendrnent application, soil-nutrient testing, substrate handling, trppsport, and storage and minimization of impacts on existing wetland resources. The subgrade specifications target construction methods and equipment, soil-material testing, and performance. The other soil-related specifications quarantine and safeguard existing resources such as friable surface soils and wetland topsoils that can be used to "seed" a site.
Author : Wayne D. Shepperd
Publisher : Unknown
Page : 120 pages
File Size : 48,7 Mb
Release : 2002
Category : Forest ecology
ISBN : MINN:31951D030013979
This paper presents a broad-based synthesis of the general ecology of the ponderosa pine ecosystem in the Black Hills. This synthesis contains information and results of research on ponderosa pine from numerous sources within the Black Hills ecosystem. We discuss the silvical characteristics of ponderosa pine, natural disturbances that govern ecosystem processes, wildlife habitat and management, various silvicultural methods to manage ponderosa pine forests, and watershed management of the Black Hills.
Author : Anonim
Publisher : Unknown
Page : 546 pages
File Size : 55,9 Mb
Release : 2002
Category : Forests and forestry
ISBN : UOM:39015055713906
Author : Anonim
Publisher : Unknown
Page : 1362 pages
File Size : 49,8 Mb
Release : 199?
Category : Electronic
ISBN : MSU:31293017238720
Author : Anonim
Publisher : Unknown
Page : 688 pages
File Size : 46,7 Mb
Release : 1994
Category : Agriculture
ISBN : UOM:39015035209215
