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Causes of Decadence in the Old Groves of North Dakota
(1935)
In the Summer of 1931, the Lake States Forest Experiment Station undertook a study to determine the extent and cause of decadence of old groves.
Major Insect Pests in North Dakota Shelterbelts: Abundance and Distribution by Climate and Host Age
(1969)
This study was was carried out from 1963 to 1965 to find out which insects were currently or potentially important to North Dakota shelterbelts, and to determine if their distribution and abundance were influenced by climate ...