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2 edition of Salt-affected soil characteristics in the Baker Valley area found in the catalog.

Salt-affected soil characteristics in the Baker Valley area

L. A. Alban

Salt-affected soil characteristics in the Baker Valley area

by L. A. Alban

  • 319 Want to read
  • 40 Currently reading

Published by Agricultural Experiment Station, Oregon State College in Corvallis, Or .
Written in English

    Subjects:
  • Soils, Salts in -- Oregon -- Baker Valley.,
  • Alkali lands -- Oregon -- Baker Valley.,
  • Arid regions agriculture -- Oregon -- Baker Valley.,
  • Reclamation of land -- Oregon -- Baker Valley.

  • Edition Notes

    StatementL.A. Alban, A.H. Sayegh, H.E. Cushman.
    SeriesMiscellaneous paper -- 63., Miscellaneous paper (Oregon State College. Agricultural Experiment Station) -- 63.
    ContributionsSayegh, Antoine Hanna., Cushman, H. E., Oregon State College. Agricultural Experiment Station.
    The Physical Object
    Pagination10 p. ;
    Number of Pages10
    ID Numbers
    Open LibraryOL16135654M

    Based on the bare soil model, the relationship between soil pH and soil moisture shows a weak negative relationship with R2 % and a strong positive relationship with R2 % in paddy area. Soil can be classified into three primary types based on its texture – sand, silt, and clay. However, the percentage of these can vary, resulting in more compound types of soil such as loamy sand, sandy clay, silty clay, etc. 2. State the characteristics of sandy soil. Sandy soil essentially consists of small particles formed by weathering rocks.

    The effects of soluble salts on soil productivity are global. Recent reports present information about saline soils in Spain (1), Iraq (2, 7), Canada (6), Egypt (16), and the United States (8, 10, 15, 19). Although in some areas much has been done towards reclaiming saline soils (5, 9, 17, 19), in other areas plagued by salinity problems (1, 6, 7), little or no progress is evident. Salt-affected Soils and Their Management I. P. Abrol, Jai Singh Pal Yadav, F. I. Massoud Food & Agriculture Org., - Technology & Engineering - pages.

      Many salt-affected soils are saline-sodic since the primary soluble ion is Na+. The possible causes for salt-affected soils could be poor drainage, saline or sodic subsoil exposure due to erosion, parent soil material, use of high salt irrigation water, long-term use of some fertilizers, low rainfall or oil field activity.   Various environmental stresses viz. high winds, extreme temperatures, soil salinity, drought and flood have affected the production and cultivation of agricultural crops, among these soil salinity is one of the most devastating environmental stresses, which causes major reductions in cultivated land area, crop productivity and quality.


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Salt-affected soil characteristics in the Baker Valley area by L. A. Alban Download PDF EPUB FB2

The salt-affected soils of bottom lands in the Baker area were grouped according to drainage, soil surface, and natural vegetation as follows: (1) The Baldock and Gooch series are light-colored, imperfectly or poorly drained soils only slightly affected by sodiume and having a natural vegetation of grass and shrubs.

The Baldock is medium-textured. Integrated Management of Salt Affected Soils in Agriculture is a concise guide to evaluating and addressing soil issues related to saline s focused, the book combines agricultural and soil-based insights to efficiently remediate salt-affected soil.

Topics: Soils, Salts in -- Oregon -- Baker Valley, Alkali lands -- Oregon -- Baker Valley, Arid regions agriculture -- Oregon -- Baker Valley, Reclamation of land -- Oregon -- Baker Valley.

Abstract Development of a successful irrigated agriculture in a salt-affectedt/area requires exact and detailed information regarding the chemical and physical soil characteristics. Most of the soils on valley bottom lands in Baker county are affected to some degree by sodium and soluble salts Year: CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Development of a successful irrigated agriculture in a salt-affectedt/area requires exact and detailed information regarding the chemical and physical soil characteristics.

Most of the soils on valley bottom lands in Baker county are affected to some degree by sodium and soluble salts. Therefore, from the viewpoint of biological amelioration of salt-affected soil, planting trees is necessary and significant. After trees are established on saline lands, the water table may decline through increasing discharge and decreasing recharge.

Additionally, the total salt content might decrease, especially surface soil layers and topsoil. Salt-affected soil often exhibits a white or gray salt crust on the ground [55]. The pH of the soil is aroundand the salt interferes with the growth of all but the most specially adapted plants.

Salinity is one of the most widespread soil degradation processes on the Earth. When salts more soluble than calcium carbonate and gypsum are present in the soil and affect crop growth and yield of most crops these soils are considered salt affected.

Most of these soils have an Electrical Conductivity of more than 4 Ohms/cm. Many of them are classified as Solonchakz. The presence of salts affects the plant uptake of nutrients and the microbiological activity in the soil. In book: Soil Science: An Introduction, pp of the area.

The salt-affected soils are also encountered in humid regions, in areas Leaching the salt-affected soil will generate a lot. Plants in salt-affected soils often have the same appearance as plants growing under moisture stress (drought) conditions although the wilting of plants is far less prevalent because the osmotic potential of the soil solution usually changes gradually and plants adjust their internal salt content sufficiently to maintain turgor and avoid wilting.

Part of the Advances in Soil Science book series (SOIL, volume 11) Abstract Agricultural production in the arid and semiarid regions of the world is limited by poor water resources, limited rainfall, and the detrimental effects associated with an excess of soluble salts, constrained to a localized area or sometimes extending over the whole of.

Salinity swells soil clays, leading to crust formation and reduced water trans- mission through the soil. fluenced by clay mineralogy, the amount of sodium adsorbed on the soil, and the salt concentration in the soil water.

In general, dispersion is greater in smectite clays than in kaolinite clays. information (Soil Survey Staff, ; Soil Survey Staff, ). Brief “color-book” inserts with shorthand notation were released by the Soil Conservation Service (Spartanburg, SC, ; Western Technical Center, Portland, OR, ).

Previous Field Books were released in (Schoeneberger et al.) and (Schoeneberger et al.). Classification and characteristics of salt-affect soils In general, the two major salt-affected soil groups are saline and alkali (sodic) (Figure ).

These two groups can be distinguished on the basis of physico-chemical and biological properties, and their geographical and geochemical distribution (Szabolcs, ). Presence of salts in soil at high concentrations adversely affects soil health and the crop growth and production.

Reclamation and management to maintain long term productivity of salt affected soils is very important. There are various methods for reclaimation of salt affected soils, but effective management can be achieved with integration of all these different techniques in a sustainable.

Overview of Parent Material Environments and Associated Soil Distribution The Central Valley is dominated by alluvial deposition due to its development as a tectonically subsiding structure. The Sacramento, San Joaquin and other rivers have had little role in creating the valley but do transport and deposit sediments in the valley.

Also, past research by ASABE members showed that subsurface drip irrigation of processing tomatoes is highly profitable compared to other irrigation methods in the salt-affected soil along the west side of the San Joaquin Valley, a water-short area.

Sodium dominated in alkali soils raises zeta potential and as a result fine clay particles get dispersed in soil solution. It causes collapse in soil structure and closing-off soil pores. As a result soil aggregates weaken, permeability of soil reduces, soil crusting and hardening of soil occurs upon drying.

1) the causes of salt-affected soils, 2) how to take a soil sample for the testing used to measure saltiness, and 3) plant species adapted to salt-affected soils. Soil Test Procedures. To verify a potential salt problem, soil analyses are needed to determine the level of saltiness and the type of ions involved.

Salt-affected soils are found under varied conditions of soil, climate, and physiography and are important constraints in agricultural production in many countries and in every continent.

In the North African region, Margat stated that salt accumulation is the main cause of. The soil has three major horizons (Fig. 2). 2 “A” horizon is the top layer of the soil in which organic matter has accumulated from plant and animal residues and from which clay and chemical elements have been leached into lower layers.

The “A” horizon, then, is the leached layer of soil. “B” horizon is the middle layer of soil into.Soil Porosity and Permeability • Porosity is the total amount of pore space in the soil (30 to 60%) – Affects the storage of air and water – Affects the rate of movement of air and water • Permeability is the ease in which water, air, and plant roots move through the soil – Ease of air, water and root movement – Affects rate of water intake and drainage.Thirteen variables including chemical and physical characteristics, topographical features, and water table depth measurements were statistically analyzed for differences between seven saline and adjacent nonsaline soil profiles of Lower Rio Grande Valley salt-affected dryland soils.

Cumulative intake and final intake rate, electrical conductivity of soil saturation extract, exchangeable.