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Articles 301 - 311 of 311
Full-Text Articles in Soil Science
The Effect Of Light, Soil Temperature, And Soil Moisture On High-Lime Chlorosis, Lauren M. Burtch
The Effect Of Light, Soil Temperature, And Soil Moisture On High-Lime Chlorosis, Lauren M. Burtch
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Chlorosis of plants from a lack of available iron is one of the most common plant nutrient problems of the calcareous soils of the west. The disease is characterized by a yellowing of the plant leaves and is accompanied, in severe cases, by a partial root death and premature defoliation (3). In addition to reducing growth, the disease greatly reduces the quality and yield of plants.
Many types of plants are affected by iron chlorosis. In Hawaii and Porto Rico rice, sugar cane and pineapple are susceptible, while in California and Arizona, citrus trees are seriously affected. In Utah apples, …
Nitrate Production As Affected By Grain-Crop Residues On The Surface Of The Soil, T. M. Mccalla, J. C. Russel
Nitrate Production As Affected By Grain-Crop Residues On The Surface Of The Soil, T. M. Mccalla, J. C. Russel
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The purpose of this bulletin is to present the data on nitrate contents and nitrate production in tests where straw or stalk residues were left on the surface through subsurface tillage, as compared with check treatments where these residues were plowed under or were absent. Nine of these tests were at Lincoln, Nebraska, and one was at the Hastings, Nebraska, Hydrological Project. Two tests were conducted in 1939, four in 1941, and four in 1942.
Zinc Relationships Of Some Utah Soils, Wilford Derby Laws Jr.
Zinc Relationships Of Some Utah Soils, Wilford Derby Laws Jr.
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Recent reports from many parts of the United States indicate that the so-called zinc-deficiency disease is wide spread. It affects some varieties of trees in some areas and all varieties in other areas, and occurs from Florida westward to the Pacific coast and northward to the Canadian line. Although the disease is more prevalent in trees, it is also known to affect annual plants.
A recent survey of Utah orchards shows a wide-spread occurrence of little-leaf, a zinc deficiency disease, in fruit trees. The disease was found to be common on the upper sandy soils between Ogden and Salt Lake …
Geological Phases Of Soil Erosion Investigation And Control In Nebraska, G. E. Condra
Geological Phases Of Soil Erosion Investigation And Control In Nebraska, G. E. Condra
Conservation and Survey Division
No abstract provided.
The Soil Resources Of Nebraska, G. E. Condra
The Soil Resources Of Nebraska, G. E. Condra
Conservation and Survey Division
No abstract provided.
Road Materials Of Nebraska, Part 3, Soil And Subsoil, G. E. Condra
Road Materials Of Nebraska, Part 3, Soil And Subsoil, G. E. Condra
Conservation and Survey Division
No abstract provided.
Studies On The Relation Of The Nonavailable Water Of The Soil To The Hygroscopic Coefficient, F. J. Always
Studies On The Relation Of The Nonavailable Water Of The Soil To The Hygroscopic Coefficient, F. J. Always
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
These experiments were carried out in connection with and subordinate to various soil investigations, the object being to determine the relation of the final water content of the soil to the hygroscopic coefficient and to determine to what extent the moisture was removed from the different portions of the subsoil not penetrated by plant roots.
Bulletin No. 121 - The Soil Of The Southern Utah Experiment Station, John A. Widtsoe, Robert Stewart
Bulletin No. 121 - The Soil Of The Southern Utah Experiment Station, John A. Widtsoe, Robert Stewart
UAES Bulletins
The soil of the Southern Utah Experiment Farm is a very interesting type: it is highly charged with gypsum and thereby presents a condition unique in reported studies of the soils of America. Gypsiferous soils are characteristic of a large portion of Southern Utah; many of them are derived from shale, others from sandstone, impregnated with gypsum.
Report Of The Nebraska Conservation And Soil Survey, G. E. Condra
Report Of The Nebraska Conservation And Soil Survey, G. E. Condra
Conservation and Survey Division
No abstract provided.
Bulletin No. 114 - The Movement Of Nitric Nitrogen In Soil And Its Relation To "Nitrogen Fixation", Robert Stewart, J. E. Greaves
Bulletin No. 114 - The Movement Of Nitric Nitrogen In Soil And Its Relation To "Nitrogen Fixation", Robert Stewart, J. E. Greaves
UAES Bulletins
In the spring of 1903, we commenced at the Utah Experiment Station a series of experiments, the purpose of which was to study the development and movement of nitrates in irrigated soil. The work was so outlined that it should give some very definite results, both as to the influence of water and the plant, upon the nitric nitrogen content of the soil.
Bulletin No. 89 - A New Centrifugal Soil Elutriator, P. A. Yoder
Bulletin No. 89 - A New Centrifugal Soil Elutriator, P. A. Yoder
UAES Bulletins
Within recent years much has been done toward determining the agricultural significance of certain physical properties of the soil. The grade of fineness is the most important of these physical properties, in that it determines, to a large extent, other properties. The· mechanical analysis of soils has thus come to be considered of primary importance in soil investigations. Any improvements in the methods or apparatus for mechanical analysis will, therefore, doubtless be welcomed by agricultural investigators. Though this is a very recent line of work, still many devices have been introduced for the separation of soil on the basis of …