Christmas tree pests and weeds required restrictions and requirements to be placed upon Christmas tree growers with plantations in "gypsy moth regulated areas". The restrictions and requirements included ongoing site monitoring, active moth eradication by the grower, accurate record keeping, and government directed moth eradication programs. Failure to abide by the rules could result in revocation of the "approved grower" status from the Canadian Food Inspection Agency. The major types of conifers cultivated, pines, Douglas-firs, true firs, and spruce trees, are all affected by some types of insect pests. Douglas-firs are most vulnerable to the Cooley spruce gall adelgid. The true firs are most susceptible
Charles Sherwood Noble Knox, North Dakota. In 1902 Noble moved to the Claresholm, Alberta area in what was then part of the Northwest Territories. The next year, he married Margaret Naomi Fraser. In the following years Noble purchased large tracts of land southeast of Claresholm. He constructed many of the area's first buildings and the hamlet of Noble (later renamed Nobleford) was established in 1909. By 1922 Noble had accumulated about of land but a series of poor crops, falling prices and too much debt meant he was unable to keep up the payments on the land. In the autumn of that year