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Trees

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Articles 61 - 69 of 69

Full-Text Articles in Forest Sciences

Tree Establishment In The Wheatbelt, F Batini Jan 1971

Tree Establishment In The Wheatbelt, F Batini

Journal of the Department of Agriculture, Western Australia, Series 4

Although most of the Forests Department's activity has centred around the State Forests in the higher rainfall areas, the Department has, for many years, encouraged the planting and conservation of trees throughout the farming areas.


Bacteria In The Wood Of Living Aspen, Pine And Alder, Marion Bacon, Clayton E. Mead Jan 1971

Bacteria In The Wood Of Living Aspen, Pine And Alder, Marion Bacon, Clayton E. Mead

Aspen Bibliography

The investigations on the microflora in the wood of living trees have up to now dealt almost entirely with the microorganisms associated with diseased trees.


Insect Pests Of Forests. 3. The Tuart Bud Weevil And The Gregarious Gall Weevil, Clee Francis Howard Jenkins Jan 1963

Insect Pests Of Forests. 3. The Tuart Bud Weevil And The Gregarious Gall Weevil, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

THE group of beetles commonly known as weevils contains some of the most troublesome of all insect pests.

The best known is probably the wheat weevil, but many other forms attack stored products and growing plants.


Insect Pest Of Forests. 1. Wood Boring Beetles, Clee Francis Howard Jenkins Jan 1962

Insect Pest Of Forests. 1. Wood Boring Beetles, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

MANY different types of wood boring beetles are associated with timber and forest trees.

Some attack only dry seasoned wood, others prefer freshly felled logs, and others again choose the standing trees.


Insect Pests Of Forests. 2. Tussock Moths And Bag-Shelter Moths, Clee Francis Howard Jenkins Jan 1962

Insect Pests Of Forests. 2. Tussock Moths And Bag-Shelter Moths, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

TWO native caterpillars which sometimes attract attention are the larvae of the tnssock moth and the bag-shelter moth.

Neither insect is a serious forest pest in Western Australia, but the tussock moth sometimes does restricted damage in orchards and home gardens and the bag-shelter caterpillars cause some defoliation of wattles and eucalyptus.


Alkali Tolerance Of Drought-Hardy Trees And Shrubs In The Seed And Seedling Stage, Joseph H. Stoeckeler Apr 1946

Alkali Tolerance Of Drought-Hardy Trees And Shrubs In The Seed And Seedling Stage, Joseph H. Stoeckeler

Journal of the Minnesota Academy of Science

No abstract provided.


Trees And Shrubs Of Kings Canyon National Park, Kenneth M. Stocking Jan 1941

Trees And Shrubs Of Kings Canyon National Park, Kenneth M. Stocking

University of the Pacific Theses and Dissertations

In 1935 I first visited the Kings Canyon area. Since then I have spent many hours wandering through the woods and over the mountains in the area around the old General Grant National Park and the country which is now included in the Kings Canyon National Park. To my knowledge, no complete flora has been made for this vicinity. I consider the following pages to be the beginning of a fascinating work. It is the beginning because this paper includes only plants with woody stems.


Longevity Of Red Pine Seed, Eugene I. Roe Apr 1940

Longevity Of Red Pine Seed, Eugene I. Roe

Journal of the Minnesota Academy of Science

No abstract provided.


A Study Of The Native Trees Of Amador County, Guy V. Towsley Jan 1937

A Study Of The Native Trees Of Amador County, Guy V. Towsley

University of the Pacific Theses and Dissertations

The region covered by this study reaches from the valley floor of the San Joaquin-Sacramento Valley, with an altitude of about 150 feet, to the top of the Sierra Nevada Mountains, whose peaks, in Amador County, reach to more than 9000 feet. Mokelumne Peak has an altitude of 9371 feet. The north and south distance, across the county at Ione, is 22 miles, while at Cook's Station, it is barely 5 miles. Amador County has an area of about 600 square miles.

Thus, a study of trees in this county, gives a fairly representative cross-section picture of the Sierras at …