Life Sciences Commons^™

Salt Movement And Forage Crop Establishment In A Saline-Alkali Soil As Influenced By Ridges And Furrows, Sprinkler Irrigation, And Soil Amendments, D. C. Purnell

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

An estimated two to four million acres of irrigable saline and alkali soils of the United States return very little income to land owners (17,19). Increased needs for forage crops, and the relatively high salt and alkali tolerance of some improved forage species, once established, suggests a way of increasing revenue from some of these lands without costly reclamation.

Bulletin No. 170 - A Study Of Methods Of Determining Soil Alkali, D. W. Pittman

UAES Bulletins

There is a great lack of uniformity in the methods of testing soils for alkali salts and in the forms of expressing the results in a way that will show the relative toxicity of the salts. This has been pointed out by numerous investigators and has been shown to complicate the determinations so much that the results of different investigators are hardly comparable. It is of further disadvantage in that the toxic limits of an alkali as worked out by one system of analysis are often difficultly applicable to a soil that has been tested by another system. However, it …

Bulletin No. 168 - Relative Resistance Of Various Crops Ot Alkali, F. S. Harris, D. W. Pittman

UAES Bulletins

Plants show considerable variation in their resistance to soil alkali. Some varieties of native vegetation grow only where the salt content of the soil is high. Most of the cultivated plants, on the other hand, are injured very decidedly by the presence of large quantities of soluble salts. To this rule there are a few exceptions such as the date palm.

In most of the arid parts of the world there are sections where the presence of alkali is the chief limiting factor in crop growth. Millions of acres of land are in the border zone between complete freedom from …

Bulletin No. 145 - Soil Alkali Studies: Quantities Of Alkali Salts Which Prohibit The Growth Of Crops In Certain Utah Soils, F. S. Harris

UAES Bulletins

One of the most important questions connected with the alkali problem in arid soils is the determination of the limits of toxicity of the various alkali salts. The author has already presented considerable data on this subject; but most of these results were obtained under laboratory conditions and with the use of pure salts. The combinations of salts used were not necessarily the combinations found in actual field conditions. It seemed desirable, therefore, to extend these studies to the field in order to determine the exact concentration of the various alkalis that prohibits growth in crops. A study of this …

Bulletin No. 111 - The Reclamation Of Seeped And Alkali Lands, C. F. Brown, R. A. Hart

UAES Bulletins

In the year 1905, Drainage Investigations were begun in the State of Utah by the Office of Experiment Stations of the United States Department of Agriculture, in co-operation with the Utah Experiment Station. Appropriations have been made by the Utah State Legislature for irrigation and drainage investigations on condition that the United 8tates Department of Agriculture contribute an equal amount, and that the work be conducted jointly by the Federal department and the experiment station of the Agricultural College of Utah.