Chemical control of wilding conifer seedlings
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چکیده
منابع مشابه
Estimating Cost-effectiveness of Controlling Animal Damage to Conifer Seedlings
A model for determining the benefit-cost ratio of controlling damage by vertebrate pests to conifer seedlings requires knowledge of the amount, distribution, and duration of animal damage, reduction in damage associated with control, costs of control, methodology and value of trees at harvesto Because control costs occurring in the present must be compared with savings recovered decades later i...
متن کاملHardening Fertilization and Nutrient Loading of Conifer Seedlings
Continuing to fertilize bareroot and container seedlings during the hardening process (from cessation of height growth until lifting) can improve seedling viability. The process of fertilizing during hardening has many names, but in the last decade a new term, nutrient loading, has come into use. The process of nutrient loading seedlings leads to luxury consumption indicated by foliar nitrogen ...
متن کاملRegeneration Methods to Reduce Pine Weevil Damage to Conifer Seedlings
Petersson, M. 2004. Regeneration methods to reduce pine weevil damage to conifer seedlings. ISSN: 1401-6230, ISBN: 91 576 6714 4 Damage caused by the adult pine weevil Hylobius abietis (L.) (Coleoptera, Curculionidae) can be a major problem when regenerating with conifer seedlings in large parts of Europe. Weevils feeding on the stem bark of newly planted seedlings often cause high mortality in...
متن کاملInitial response of conifer and California black oak seedlings following fuel reduction activities in a Sierra Nevada mixed conifer forest
Forest structure, fuel characteristics, and fire regimes of mixed conifer forests in the Western United States (US) have been dramatically altered since the early 20th century. Fuel treatments have been suggested as a means to limit the size and intensity of wildfires but few experiments are available to analyze the ecological effects of different treatments. The objective of this study is to d...
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Drug therapy for obesity has had a difficult past history. A number of drugs have had addictive or toxic properties that have required discontinuation. Pharmacotherapy for obesity has an important role in those persons who have failed behavioral weight loss attempts or as an adjunct to those attempts. The interest in pharmacotherapy for obesity is an outgrowth of the now general recognition tha...
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ژورنال
عنوان ژورنال: Proceedings of the New Zealand Weed and Pest Control Conference
سال: 1990
ISSN: 0370-2804,0370-2804
DOI: 10.30843/nzpp.1990.43.10897