Solonchak soil
WebJan 1, 2014 · This indicates the demand for a detailed soil survey at a scale of at least 1:5,000. Saline soils occupy approximately 33,310.03 ha of the territory, including 14,186.05 ha occupied by solonetz, solonchak, and solonetz-solonchak, and 19,123.98 ha occupied by soils recognized as saline-like (Table 12.1, Figs. 12.1 and 12.2 ). WebJul 22, 2024 · International soil classification system for naming soils and creating legends for soil maps. 4 th edition. International Union of Soil Sciences (IUSS), Vienna, Austria. …
Solonchak soil
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WebSoil testing in Northern Vojvodina, as part of the project conducted by the Ministry of Education and Science of the Republic of Serbia, resulted in lower values of soil salinity indicators, in soils classified as Solonchak type in previous research. Desalinization trend was also observed in recent research. Desalinization is the result of hidromeliorative work … WebCharacteristics. Soils having a salic horizon (horizon with accumulation of salts more soluble than gypsum) within 50 cm of the soil surface. They have no diagnostic horizons other than a histic, mollic, ochric, takyric, yermic, calcic, cambic, duric, gypsic or vertic horizon. Distribution of Solonchaks (rough estimation supplied by soilgrids) + -.
Webmeadow soil, and a meadow solonchak. Soil pits were dug on different elements of the microrelief: pit 10 in a microdepression and pit 11 on a microelevation within the first plot, pits 12 and 13 on a microelevation and pit 14 in a microdepression within the second plot, and pit 15 in a microdepression and pit 16 on a microeleva-tion within the ... Webburial - 引用次数：8. Due to depth burial of reservoir with high temperature (80-85℃), high mineralization in reservoir water (12,000-30000mg/L), shengtuo oilfield is divided into high-temperature and high salinity polymer injection oilfield.. 胜坨油田由于储层埋藏深、温度高(80-85℃)、地层水矿化度高(12000-30000 mg/L),因而被划为高温高盐注聚油田。
WebOct 6, 2016 · Based on the location of maximum salt accumulation , two salt-affected soil types can be distinguished as follows: solonchak soils are characterized by near-surface maximum salt concentration (their occurrence is frequent in the Danube-Tisza Interfluve), while solonetz soils are characterised by salt accumulation in the B horizon. WebGlobal distribution of natural saline/sodic soils Solonchak, "salt marsh" in Russian, is a poorly drained grey soil that has high contents of soluble salts and occurs in arid to subhumid areas. Solonetz, "salty soil" in Ukrainian, …
WebFeb 23, 2024 · Three blind ditch spacing (6, 9 and 12 m) and three application rates of desulfurization gypsum (20, 22 and 24 t/hm2 ) were used to alkalized solonchak soil and increasing the yield of Chinese ...
WebSaline (Solonchak, Russian Term) Soil: Saline soils defined as a soil having a conductivity of the saturation extract greater than 4 dSm-1 (0.4 Sm-1 or 4 mmhos cm-1) and an exchangeable sodium percentage (ESP) less than 15. The pH is usually less than 8.5. reading signs and symbolsWebApr 8, 2024 · Limited domestic well water sampling, a regional salinity survey, and saline soils suggest that high chloride groundwater concentrations exist in the region south of the lake. ... The southern region of Hulun Lake has salt-rich solonchak soil, suggesting the discharge of, and potential presence of, salt-rich groundwater . how to swallow pills easilyWebJan 1, 2024 · Request PDF Solonchaks and Solonchak-Like Soils Solonchaks are described as soils with a Salic horizon starting within ≤50 cm from the soil surface, and … reading simplified pdfWebThis study identified nonarable lands such as solonchak (saline) soils and hydromorphic alluvial soils with salinity problems due to poor drainage along with coastal dunes and … how to swallow pillsWebsolonchak: [noun] any of an intrazonal group of strongly saline soils usually light colored and without characteristic structural form and typically developed in poorly drained arid or … how to swallow large capsulesWebSolonchak, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Solonchaks are defined by high soluble salt accumulation within 30 cm (1 foot) of the land surface and by the absence of distinct subsurface horizonation … reading simplified youtubeWebDec 1, 2006 · Salt-affected soils in the southern Aral Sea basin include Solonchaks and soils with takyric surface horizons ( FAO, 1998 ). Soils of both types, each occupying areas of more than 1,000,000 ha ( Argaman et al., 2006 ), are characterised by the presence of surface crusts. Solonchak soils, which are highly saline, generally have a surface crust ... reading simple present exercises