United States Department of Agriculture
Section: Disturbance, Note: 5.05
Female eastern spurce budworm larvae, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae), inoculated with a medium lethal spore dosage of the microsporidium. Nosema fumiferanae (Thomson) exhibited significant reductions in a consumptive index (CI), nitrogen consumptive index (NCI), relative growth rate (RGR), and gross(...
Section: Disturbance, Note: 5.06
Section: Seedling selection, Note: 1.04
Section: Seedling selection, Note: 1.05
Black walnut is one of America's most highly prized tree species. Its natural range extends throughout the central and eastern parts of the United States and into southern Ontario. However, it is commercially significant primarily in the central part of its range. It typically grows as scattered individuals or in small groups mixed with a wide variety of other...
Section: Seedling selection, Note: 1.06
Presents statistics on Indiana's growing-stock and sawtimber volumes by county for 1986. Includes map showing growing-stock volume distribution by county.
Section: Site Management, Note: 2.01
Describes a 5-year study of the effects of different liming rates on soil pH, and on Populus growth.
Lake States pulpwood production declined slightly to 7.69 million cords in 1987. Pulpwood production is shown by county and species group in Michigan, Minnesota, and Wisconsin
Discusses production and receipts for 1986 and production for recent years in the Lake and Central States. Shows Michigan, Minnesota, and Wisconsin production by species for each county and compares production by Forest Survey Unit with that of previous years. Presents 1986 production and receipts data for Illinois, Indiana, Iowa, and Missouri, and shows four...
Section: Economics, Note: 6.01
Section: Economics, Note: 6.02
Section: Site Management, Note: 2.03
Section: Seedling selection, Note: 1.03
Section: Stand Management, Note: 3.01
Section: Stand Management, Note: 3.02
Presents northeastern locations of instumented fire-weather stations that record data necessary for input into the National Fire-Danger Rating System.
Section: Disturbance, Note: 5.02