The use of Native American fire regimes evolved in the Klamath-Siskiyou bioregion over millennia. A mixture of Native American and Euro-American socio-cultural management has developed from adaptations to climate, topography, ecological processes, and land use practices. This research incorporates Traditional Ecological Knowledge (TEK) to partially examine the role of tribal...
The rapid advance of concrete engineering in the
West has made necessary reliable information as to the
strength qualities of the most important marketable, sands
In the eastern states, theory and practice have advanced
hand in hand, by the investigation of the constituent
materials of concrete. In the West, no...
Alfalfa is one of the oldest of cultivated forage plants.
It was cultivated by the Greeks, Romans, Egyptians, and other
nations of the Fast before the beginning of the Christian era.
It is a native of the southern and western portion of Asia. It
was early introduced into Spain and...
One of the most important matters which face the
people of the United States at the present time is the
conservation of the National Forests. It is estimated
that at the present rate of consumption, if there is
nothing done to conserve them, or build up new ones, the
forests...
Quarantine and inspection as generally applied,
both in the past and at present, has been limited to
horticultural plants and horticultural plant products
as nursery stock including trees, shrubs, vines, cuttings,
ornamentals, scions, buds, rootings, bulbs,
herbs, dried fruits, etc. This application is without
a question too narrow, as it...
The word food is a common noun used every day and
by every one. But have you ever thought of its full significance?
Any substance that can support life or help
to support it is food. Plants require food to support
them when growing; they find it in the air...