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Crown dynamics in Pinus resinosa Ait. : analysis and stochastic description of branch production, branch extension growth and foliage dry weight---branch length relationships
(1981)The development of the crown structure of Pinus resinosa Ait. was analysed in terms of three component processes of tree growth: the number of first order branches per whorl within the crown, the annual extension increments ... -
Effects of forest fires on timber harvest levels
(1994)Traditional approaches to timber management planning do not address the realities of catastrophic wildfire. The model FORMAN is one of the operational wood supply models used in Ontario for forest regulation. The FORTRAN ... -
Effects of post-budset fertilization on second-crop black spruce container stock
(1992)Second crop black spruce (Picea mariana (Mill.) B.S.P.) container stock is often treated with finisher fertilizer after the induction of budset. The objective of this experiment was to study the effect of three components ... -
Evaluation of a mini-container accelerated transplant system : the black spruce winter crop
(1986)The effects of four factors on nine attributes of black spruce (Picea mariana (Mill) B. S. P.) seedlings were investigated. The seedlings were produced under an accelerated transplant system that used a 6 ml Castle ... -
Evaluation of a mini-container, accelerated transplant system : the black spruce summer crop
(1986)The production of black spruce ( Picea mariana (Mill.) B.S.P.) bare root stock in Ontario nurseries presents two main problems. First, seedlings at the end of the first growing season are small, and thus susceptible to ... -
Indices of branch contribution to bole growth in Pinus resinosa Ait.
(1982)The contribution of individual branches to the current annual xylem increment of the main stem of six young red pine (Pinus resinosa Ait.) was investigated. Logical estimates of branch productivity including: branch ... -
Participatory action research as a tool for community development : experiences from Northwestern Ghana
(1998)This study reports on a community development project conducted in Charia, a small village in northwestern Ghana. The primary intent of the study was to field-test the participatory action research approach of actively ... -
Seasonal changes in gas exchange and foliar nitrogen of three conifer species growing on an Ontario boreal mixedwood site
(2003)Jack pine, black spruce and white spruce are three vital species of the Ontario boreal mixedwood forest. The purpose of this study is to compare and contrast the ecophysiological characteristics of each species and to ... -
Stand structure differences resulting from post-harvest silviculture in boreal mixedwoods
(2007)Under the Ontario Forest Accord, several parcels of land have recently been designated as protected areas reducing the area available for forest management. As a result, forestry companies will likely have to intensify ... -
Understanding the process of innovation through the theories of learning and communication
(1996)Literature on learning, communication, psychology, sociology and related disciplines was reviewed. It was found that innovation is often incorrectly described in the literature as two separate processes. These are the ... -
Water and crop biomass dynamics in a Cassia siamea Lam. and Zea mays L. alley cropping system
(1994)Alley cropping is a crop production system in which food crops are grown in the alleys created by hedgerows of selected tree species, preferably legumes. The objective of this study was to model a Cassia /maize alley ... -
Within and between-species competition and individual tree growth in a young jack pine-aspen stand
(1986)The competitive relationship between jack pine (Finns banksiana Lamb.) and trembling aspen (Populus tremuloides Michx.) was studied in an 8-year-old mixed stand in North Central Ontario, Canada. During the summer of 1984, ...