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Articles 481 - 489 of 489

Full-Text Articles in Terrestrial and Aquatic Ecology

Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam Jan 1966

Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


The Labiatae Of Arkansas, James M. Lang Jan 1966

The Labiatae Of Arkansas, James M. Lang

Journal of the Arkansas Academy of Science

No abstract provided.


Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James Jan 1964

Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James

Journal of the Arkansas Academy of Science

No abstract provided.


Literature On The Vegetation Of Arkansas, Edward E. Dale Jr. Jan 1963

Literature On The Vegetation Of Arkansas, Edward E. Dale Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


List Of The Smut Fungi Of Arkansas, George E. Templeton Jan 1962

List Of The Smut Fungi Of Arkansas, George E. Templeton

Journal of the Arkansas Academy of Science

No abstract provided.


Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore Jan 1961

Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore

Journal of the Arkansas Academy of Science

No abstract provided.


Ligneous Flora On Contrasting Sites At Longpool, Pope County, Arkansas, Lowell A. Logan Jan 1960

Ligneous Flora On Contrasting Sites At Longpool, Pope County, Arkansas, Lowell A. Logan

Journal of the Arkansas Academy of Science

No abstract provided.


Microorganisms And Soil Structure, T. M. Mccalla Mar 1950

Microorganisms And Soil Structure, T. M. Mccalla

Department of Agronomy and Horticulture: Faculty Publications

SUMMARY

Laboratory tests were made to determine the effectiveness of different compounds and microbial groups in increasing the stability of Peorian loess lumps against the action of falling water drops. The influence of these on percolation tests in the laboratory was also determined.

Many organic substances-dextrose, sucrose, starch, peptone, cullulose, and gum arabic-did not themselves contribute directly to soil-structure stability, though these substances do furnish energy material for soil microorganisms, which can convert them readily into either microbial tissue or decomposition products that increase soil-structure stability. Lignin, proteins, oils, fats, waxes, resin, and paraffin increased the stability of lumps of …


The Phytogeography Of Nebraska, Roscoe Pound, Frederic E. Clements Jul 1898

The Phytogeography Of Nebraska, Roscoe Pound, Frederic E. Clements

Papers in Systematics and Biological Diversity

From the preface we learn that this work is the result of nearly five years of active study of the floral covering of Nebraska, carried on by the members of the Botanical Seminar in the Botanical Survey of the State of Nebraska. The systematic study of the vegetation of Nebraska was begun by Dr. Bessey in 1884, and has since been carried on by him and his students, all previous collecting having been more or less desultory and unreliable. The Botanical Survey was organized in 1892, and its work has been directed to the collecting of specimens and observations for …