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Silvicultural strategies to reduce stand and forest susceptibility to the western spruce budworm (Spruce budworms handbook) (Agriculture handbook ; no. 676)

Silvicultural strategies to reduce stand and forest susceptibility to the western spruce budworm (Spruce budworms handbook) (Agriculture handbook ; no. 676)
Microform図書
1989<YCA-A 1.76:676>
National Diet Library

Spruce budworms handbook : predators of the spruce budworm (Agriculture handbook ; no. 644)

Spruce budworms handbook : predators of the spruce budworm (Agriculture handbook ; no. 644)
Microform図書
1986<YCA-A 1.76:644>
National Diet Library

Spruce budworms handbook : using dendrochronology to measure radial growth of defoliated trees (Agriculture handbook ; no. 639)

Spruce budworms handbook : using dendrochronology to measure radial growth of defoliated trees (Agriculture handbook ; no. 639)
Microform図書
1985<YCA-A 1.76:639>
National Diet Library

Spruce budworms handbook : insecticides for control of the spruce budworm (Agriculture handbook ; no. 615)

Spruce budworms handbook : insecticides for control of the spruce budworm (Agriculture handbook ; no. 615)
Microform図書
1984<YCA-A 1.76:615>
National Diet Library

Spruce budworms handbook : sampling procedures for spruce budworm egg-mass surveys (with reference to the Lake States) (Agriculture handbook ; no. 635)

Spruce budworms handbook : sampling procedures for spruce budworm egg-mass surveys (with reference to the Lake States) (Agriculture handbook ; no. 635)
Microform図書
1985<YCA-A 1.76:635>
National Diet Library

Spruce budworms handbook : rating spruce-fir stands for spruce budworm damage in eastern North America (Agriculture handbook ; no. 636)

Spruce budworms handbook : rating spruce-fir stands for spruce budworm damage in eastern North America (Agriculture handbook ; no. 636)
Microform図書
1985<YCA-A 1.76:636>
National Diet Library

Spruce budworms handbook : illustrated key to ants associated with western spruce budworm (Agriculture handbook ; no. 632)

Spruce budworms handbook : illustrated key to ants associated with western spruce budworm (Agriculture handbook ; no. 632)
Microform図書
1985<YCA-A 1.76:632>
National Diet Library

Spruce budworms handbook : techniques for measuring early-larval dispersal of spruce and jack pine budworms (Agriculture handbook ; no. 614)

Spruce budworms handbook : techniques for measuring early-larval dispersal of spruce and jack pine budworms (Agriculture handbook ; no. 614)
Microform図書
1984<YCA-A 1.76:614>
National Diet Library

Spruce budworms handbook : Lepidoptera associated with western spruce budworm (Agriculture handbook ; no. 622)

Spruce budworms handbook : Lepidoptera associated with western spruce budworm (Agriculture handbook ; no. 622)
Microform図書
1984<YCA-A 1.76:622>
National Diet Library

Spruce budworms handbook : balsam fir : its properties and utilization (Agriculture handbook ; no. 629)

Spruce budworms handbook : balsam fir : its properties and utilization (Agriculture handbook ; no. 629)
Microform図書
1984<YCA-A 1.76:629>
National Diet Library

Spruce budworms handbook : techniques for monitoring the environmental impact of insecticides on aquatic ecosystems (Agriculture handbook ; no. 613)

Spruce budworms handbook : techniques for monitoring the environmental impact of insecticides on aquatic ecosystems (Agriculture handbook ; no. 613)
Microform図書
1984<YCA-A 1.76:613>
National Diet Library

Spruce budworms handbook : ground-spray techniques to reduce damage from western spruce budworm (Agriculture handbook ; no. 624)

Spruce budworms handbook : ground-spray techniques to reduce damage from western spruce budworm (Agriculture handbook ; no. 624)
Microform図書
1984<YCA-A 1.76:624>
National Diet Library

Spruce budworms handbook : how to distinguish between old and new egg masses of the western spruce budworm (Agriculture handbook ; no. 623)

Spruce budworms handbook : how to distinguish between old and new egg masses of the western spruce budworm (Agriculture handbook ; no. 623)
Microform図書
1984<YCA-A 1.76:623>
National Diet Library

Spruce budworms handbook : a guide to economic evaluation of spruce budworm management opportunities in the East (Agriculture handbook ; no. 627)

Spruce budworms handbook : a guide to economic evaluation of spruce budworm management opportunities in the East (Agriculture handbook ; no. 627)
Microform図書
1984<YCA-A 1.76:627>
National Diet Library

Spruce budworms handbook : how to protect individual trees from western spruce budworm by implants and injections (Agriculture handbook ; no. 625)

Spruce budworms handbook : how to protect individual trees from western spruce budworm by implants and injections (Agriculture handbook ; no. 625)
Microform図書
1984<YCA-A 1.76:625>
National Diet Library

Spruce budworms handbook : spruce budworn parasites in Maine : a reference manual for collection and identification of common species (Agriculture handbook ; no. 616)

Spruce budworms handbook : spruce budworn parasites in Maine : a reference manual for collection and identification of common species (Agriculture handbook ; no. 616)
Microform図書
1984<YCA-A 1.76:616>
National Diet Library

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