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Publications by J.D. Gagnon

88 records.

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Effect of different fire regimes and abiotic conditions on the vegetation in jack pine forests
Gauthier, S.; Gagnon, J.D.; Bergeron, Y.
Year: 1996    Catalog ID: 21022
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Population age structure of Pinus banksiana at the southern edge of the Canadian boreal forest
Gauthier, S.; Gagnon, J.D.; Bergeron, Y.
Year: 1993    Catalog ID: 21196
Available from: Laurentian Forestry Centre
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Fertilisation à l'urée de cinq peuplement du sapin baumier âgés de 60 ans au Québec : effets au bout de 10 années sur la croissance et sur l'ammonium
Roberge, M.R.; Gagnon, J.D.
Year: 1980    Catalog ID: 14719
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Urea fertilization of five 60-year-old balsam fir stands in Québec: 10-year results on growth response and ammonium-nitrogen changes
Roberge, M.R.; Gagnon, J.D.
Year: 1980    Catalog ID: 14720
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Essai d'un dosage d'azote dans trois sapinières de 60 ans au Québec : résultats de 10 ans
Roberge, M.R.; Gagnon, J.D.; Ung, C.-H.
Year: 1980    Catalog ID: 14721
Available from: Laurentian Forestry Centre
CFS Availability: Print (free), PDF (request by e-mail)
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Effets de la fertilisation, après 10 ans, sur la croissance et le milieu d'une sapinière naturelle de 60 ans au nord-est du Québec
Gagnon, J.D.
Year: 1979    Catalog ID: 16269
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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50 ans de croissance périodique dans les plantations d'épinette blanche établies à Grand-Mère, Québec, sur des sols sablonneux
Gagnon, J.D.
Year: 1978    Catalog ID: 16344
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effet de la fertilisation azotée, par voie aérienne, sur la croissance annuelle du diamètre du pin gris
Gagnon, J.D.
Year: 1977    Catalog ID: 16343
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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La fertilisation forestière
Gagnon, J.D.
Year: 1976    Catalog ID: 15267
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Étude économique des plantations de Grand'Mère 10 ans après fertilisation
Gagnon, J.D.; Conway, J.M.; Swan, H.S.D.
Year: 1976    Catalog ID: 15269
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Growth response following fertilizer application in the Grand'Mère plantations
Gagnon, J.D.; Conway, J.M.; Swan, H.S.D.
Year: 1976    Catalog ID: 15270
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effet de la fertilisation sur le milieu d'une sapinière naturelle
Gagnon, J.D.
Year: 1976    Catalog ID: 15272
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Influence de la fertilisation aérienne sur le fourrage pour le gibier
Gagnon, J.D.; Bernier, B.
Year: 1975    Catalog ID: 15261
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effets de la fertilisation sur le poids spécifique et le rendement en pâte Kraft du sapin baumier
Gagnon, J.D.; Hunt, K.
Year: 1975    Catalog ID: 15263
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Kraft pulping and specific gravity in the uppermost stem of fertilized balsam fir
Gagnon, J.D.; Hunt, K.
Year: 1975    Catalog ID: 15264
Available from: Laurentian Forestry Centre
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La fertilisation affecte plus que la croissance de l'arbre
Gagnon, J.D.
Year: 1975    Catalog ID: 15274
Available from: Laurentian Forestry Centre
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La fertilisation forestière
Gagnon, J.D.
Year: 1975    Catalog ID: 15275
Available from: Laurentian Forestry Centre
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Une méthode simple pour évaluer l'accroissement annuel en diamètre par suite de fertilisation dans les peuplements forestiers naturels
Gagnon, J.D.
Year: 1975    Catalog ID: 15276
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A simple and quick method to assess yearly diameter growth response to fertilization in natural forest stands
Gagnon, J.D.
Year: 1975    Catalog ID: 15277
Available from: Laurentian Forestry Centre
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Essais de fertilisation aérienne à la Forêt Montmorency : rapport d'étape 1972-1974
Roberge, M.R.; Gagnon, J.D.
Year: 1975    Catalog ID: 15902
Available from: Laurentian Forestry Centre
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Organisation et équipement nécessaire pour déterminer le taux réel et la distribution d'un fertilisant appliqué par voie aérienne
Roberge, M.R.; Gagnon, J.D.
Year: 1975    Catalog ID: 15903
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Résultats récents et pertinents de recherches impliquant des fertilisants et changements vraisemblables dans l'emploi opérationnel de fertilisants en sylviculture au Québec
Roberge, M.R.; Gagnon, J.D.
Year: 1975    Catalog ID: 15904
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Nutrient-growth relationship in the Grand-Mère white spruce plantations before and after fertilization
Truong, DinhPhu; Gagnon, J.D.
Year: 1975    Catalog ID: 16150
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Fertilisation forestière
Gagnon, J.D.
Year: 1974    Catalog ID: 15271
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Results of fertilizer experiments in Quebec
Gagnon, J.D.
Year: 1974    Catalog ID: 15273
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Etude d'un épandage aérien d'urée en forêt
Roberge, M.R.; Gagnon, J.D.
Year: 1974    Catalog ID: 15897
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effets de la fertilisation azotée sur la croissance en rayon du sapin baumier
Gagnon, J.D.
Year: 1973    Catalog ID: 15262
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Environmental aspects of sewage-derived fertilizers
Gagnon, J.D.
Year: 1973    Catalog ID: 15265
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Le grand brûlé de 1938-41 de la rivière York : son histoire, son évolution naturelle et sa restauration forestière
Gagnon, J.D.
Year: 1973    Catalog ID: 15266
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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L'utilisation après traitement des égoûts domestiques peut aider à sauver nos cours d'eau
Gagnon, J.D.
Year: 1973    Catalog ID: 15268
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effets de la fertilisation azotée sur certaines plantes du sous-bois et sur la régénération établie
Gagnon, J.D.
Year: 1972    Catalog ID: 15256
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Les égoûts domestiques : un engrais valable en foresterie
Gagnon, J.D.
Year: 1972    Catalog ID: 15257
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Grand'Mère plantations; an example for future reforestation
Gagnon, J.D.
Year: 1972    Catalog ID: 15258
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Les plantations de Grand'Mère; modèle de reboisement pour l'avenir
Gagnon, J.D.
Year: 1972    Catalog ID: 15259
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Plantation, survie et croissance de l'épinette de Norvège en sol sablonneux
Gagnon, J.D.; Popovich, S.; Demers, A.
Year: 1972    Catalog ID: 15260
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effet de la fertilisation azotée sur la teneur en éléments minéraux des aiguilles et de la couche humifère de peuplements de sapin baumier
Truong, DinhPhu; Gagnon, J.D.
Year: 1972    Catalog ID: 16145
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Corrélation entre le coefficient de forme et le taux de croissance de l'épinette noire
Boudoux, M.; Gagnon, J.D.
Year: 1971    Catalog ID: 14962
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Certaines réalisations du laboratoire de recherches forestières de Ste-Foy. Essais de fertilisation dans la forêt gaspésienne
Gagnon, J.D.
Year: 1971    Catalog ID: 15250
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effets comparés des ordures ménagères, des boues d'égouts et d'un engrais potassique sur la croissance en hauteur d'une plantation d'épinette blanche âgée de 10 ans
Gagnon, J.D.
Year: 1971    Catalog ID: 15251
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Fertilisation des sapinières naturelles au Québec
Gagnon, J.D.
Year: 1971    Catalog ID: 15252
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Solution pratique : le compostage
Gagnon, J.D.
Year: 1971    Catalog ID: 15253
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Statut nutritif de l'épinette noire (Picea mariana (Mill.) BSP) en relation avec l'indice de site
Gagnon, J.D.; Boudoux, M.
Year: 1971    Catalog ID: 15254
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effet de la date de plantation sur la survie et la croissance de l'épinette de Norvège sur sols sablonneux
Gagnon, J.D.; Demers, A.; Popovich, S.
Year: 1971    Catalog ID: 15255
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Participation du Québec au projet interprovincial de fertilisation des forêts naturelles
Gagnon, J.D.
Year: 1970    Catalog ID: 15248
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Productivité de plantations d'épinette blanche sur le sol sablonneux à Grand'Mère, P.Q
Gagnon, J.D.
Year: 1970    Catalog ID: 15249
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Production en cônes et semences d'un peuplement de pin gris de 65 ans de la région boréale du Québec
Popovich, S.; Demers, A.; Gagnon, J.D.
Year: 1970    Catalog ID: 15805
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effects of fertilizing and scarifying abandoned farmland
Gagnon, J.D.
Year: 1969    Catalog ID: 15243
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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La fertilisation en forêt naturelle
Gagnon, J.D.
Year: 1969    Catalog ID: 15244
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Fertilisation vs scarifiage sur deux sols soustraits à la culture l'un depuis 15 ans, l'autre depuis 45 ans
Gagnon, J.D.
Year: 1969    Catalog ID: 15245
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Soil improvement trials using scarification and fertilization in stagnant white spruce plantations, Quebec, Canada
Gagnon, J.D.
Year: 1969    Catalog ID: 15246
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Fertilisation en forêt naturelle au Québec
Gagnon, J.D.; Boudoux, M.
Year: 1969    Catalog ID: 15247
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Delayed and limited effect of organic fertilizer on growth of white spruce
Gagnon, J.D.; Boudoux, M.
Year: 1968    Catalog ID: 15240
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Données nouvelles sur la fertilisation des plantations d'épinette blanche à Grand-Mère, Québec
Gagnon, J.D.; Boudoux, M.
Year: 1968    Catalog ID: 15241
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effet retardé et limité de la fumure organique sur la croissance de l'épinette blanche (Picea glauca (Moench) Voss) plantée sur d'anciennes terres agricoles sablonneuses à Grand'Mère, Québec
Gagnon, J.D.; Boudoux, M.
Year: 1968    Catalog ID: 15242
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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On the use of tyrosine as a tree fertilizer
Gagnon, J.D.
Year: 1967    Catalog ID: 15238
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Sur l'emploi de la tyrosine comme engrais forestier
Gagnon, J.D.
Year: 1967    Catalog ID: 15239
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Free amino-acid content in needles of Abies balsamea and Picea mariana growing on different sites
Gagnon, J.D.
Year: 1966    Catalog ID: 15236
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Le lichen Lecidea granulosa constitue un milieu favorable à la germination de l'épinette noire
Gagnon, J.D.
Year: 1966    Catalog ID: 15237
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of magnesium and potassium fertilization on a 20-years-old red pine plantation
Gagnon, J.D.
Year: 1965    Catalog ID: 15230
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of magnesium and potassium fertilization on a 20-years-old red pine plantation
Gagnon, J.D.
Year: 1965    Catalog ID: 15231
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of tyrosine on tree growth and resistance to frost
Gagnon, J.D.
Year: 1965    Catalog ID: 15232
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Nitrogen deficiency in the York River burn, Gaspé, Quebec
Gagnon, J.D.
Year: 1965    Catalog ID: 15233
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Soil improvement for better growth on abandoned farm lands
Gagnon, J.D.
Year: 1965    Catalog ID: 15234
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Total nitrogen in the humus layer and associated lesser vegetation as related to site quality
Gagnon, J.D.
Year: 1965    Catalog ID: 15235
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Crown exposure to sunlight and weekly radial increment of balsam fir
Gagnon, J.D.
Year: 1964    Catalog ID: 15222
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Does tyrosine increase tree growth and resistance to forest?
Gagnon, J.D.
Year: 1964    Catalog ID: 15223
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of tyrosine on tree growth and resistance to frost
Gagnon, J.D.
Year: 1964    Catalog ID: 15224
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Le lichen Lecidea granulosa constitue un milieu favorable à la germination de l'épinette noire
Gagnon, J.D.
Year: 1964    Catalog ID: 15225
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A note on the free amino acid content in needles of Abies balsamea and Picea mariana growing on two site qualities
Gagnon, J.D.
Year: 1964    Catalog ID: 15226
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Nursery soil improvement for production of better black spruce stock
Gagnon, J.D.
Year: 1964    Catalog ID: 15227
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Reforestation of York River burn
Gagnon, J.D.
Year: 1964    Catalog ID: 15228
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Relationship between site index and foliage nitrogen at two crown levels for mature black spruce
Gagnon, J.D.
Year: 1964    Catalog ID: 15229
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Does tyrosine increase tree growth and resistance to frost
Gagnon, J.D.
Year: 1963    Catalog ID: 15215
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of fire on the availability of nitrogen and growth of black spruce (Picea mariana Mill.) in Gaspé, Quebec
Gagnon, J.D.
Year: 1963    Catalog ID: 15216
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Relationship between site index and foliage nitrogen of mature black spruce (Picea mariana Mill.) according to location
Gagnon, J.D.
Year: 1963    Catalog ID: 15217
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Soil improvement in deteriorated white spruce plantations at Grand'Mère, Quebec
Gagnon, J.D.
Year: 1963    Catalog ID: 15218
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Weekly radial increment of balsam fir in Quebec as related to McLintock's tree classification
Gagnon, J.D.
Year: 1963    Catalog ID: 15219
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Acides aminés libres de quelques plantes forestières
Gagnon, J.D.; Bernier, B.
Year: 1963    Catalog ID: 15220
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Étude sur le contenu en acides aminés libres de quelques plantes forestières à la fin de la saison de croissance, en relation avec la qualité de station
Gagnon, J.D.; Bernier, B.
Year: 1963    Catalog ID: 15221
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Weekly radial increment of balsam fir in Quebec as related to McLintock's tree classification
Gagnon, J.D.
Year: 1962    Catalog ID: 15214
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Rainfall and the width of annual rings in planted white spruce
Gagnon, J.D.
Year: 1961    Catalog ID: 15212
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Rainfall and the width of annual rings in planted white spruce
Gagnon, J.D.
Year: 1961    Catalog ID: 15213
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Age ranges of post-fire black spruce and balsam fir in two poorly stocked Gaspé burns
MacArthur, J.D.; Gagnon, J.D.
Year: 1961    Catalog ID: 15535
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Ground vegetation as an index of site quality in white spruce plantations
Gagnon, J.D.; MacArthur, J.D.
Year: 1959    Catalog ID: 31332
Available from: Northern Forestry Centre
CFS Availability: Print (free), PDF (download)
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La végétation forestière comme indice de la qualité des stations dans les plantations d'épinettes blanches
Gagnon, J.D.; MacArthur, J.D.
Year: 1959    Catalog ID: 15211
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Some observations of forest conditions after fire in the Gaspé Peninsula
MacArthur, J.D.; Gagnon, J.D.
Year: 1959    Catalog ID: 15533
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Mineral nutrient content of some forest plant leaves and of the humus layer as related to site quality
Gagnon, J.D.; Amiot, L.P.; Lafond, A.
Year: 1958    Catalog ID: 15210
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Preliminary report on chromatographic detection of free aminoacids in some forest plant indicators
Gagnon, J.D.
Year: 1956    Catalog ID: 15209
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.