Many nonmerchantable trees on the proposed control areas are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound.
No-till pasture renovation can increase the quality and forage yield of
underproductive pastures. Decreased erosion, lower costs, and less lost
grazing time are advantages of no-till renovation compared to conventional
renovation. Unwanted vegetation is first controlled with herbicides to decrease
competition for introduced orchardgrass. Two field trials were conducted using...
In 1971, about 2,000 acres (Figure 1) of mixed hardwoods were infested by the forest tent caterpillar, Malacosoma disstria Hubner, on the Totten Indian Reservation south of Devil's Lake, North Dakota. An aerial and ground survey of this area was made on June 15, 1972.
Defoliation could not be detected...
Reviews fisheries legislation, hatchery program progress, dangers to salmon. Complains about seals and sea lion predation on salmon. Reviews major fishing streams of the time. Fiscal and statistical reports included.