Solonchak soil
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 …
Solonchak soil
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WebMay 7, 2024 · Secondary solonchak and gleyic alluvial soils were characterized by neutral and mainly neutral reaction (pits 1, 3, 5). The reaction was slightly acid in the sor … WebSolonchak, 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 …
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。 WebMay 1, 2024 · During a cultural diversity survey on hydrolytic bacteria in saline alkaline soils, a hydrolytic actinobacterium strain ACPA39 T was enriched and isolated in pure culture …
WebJan 1, 2016 · Known generally as saline soils and salt‐affected soils. Definition. Defined by FAO ( 2001) as soils: 1. with a salic horizon starting within 50 cm from the soil surface; … 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 ...
WebKey to the FAO Soil Units (1974) Extract from "Legend of the Soil Map of the World", 1974, UNESCO, Paris. Soils having an H horizon of 40 cm or more (60 cm or more if the organic material consists mainly of sphagnum or moss or has a bulk density of less than 0.1) either extending down from the surface or taken cumulatively within the upper 80 ...
WebMay 11, 2024 · Franzen, D. C. Gasch, C. Augustin, T. DeSutter, N. Kalwar, A. Wick. 2024. Managing Saline Soils in North Dakota. North Dakota State Extension. SF1087. Extension factsheet on sources and types of ... in a whip at nightWebCharacteristics. 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 … duties of the british royal familyWebDec 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 ... duties of the chief of staffWebSaline (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. duties of the building officialin a while vs in awhileWebOct 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. in a whiplash injury the neck undergoesWebSummary description of Solonetz Connotation: Soils with a high content of exchangeable sodium and/or magnesium ions; from R. sol, salt, and etz, strongly expressed. Parent material: unconsolidated materials, mostly fine-textured sediments. Environment: Solonetz are normally associated with flat lands in a climate with hot, dry summers, or with … duties of the chairperson of a committee