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[1]FENG Huan,ZHANG Junling,ZHANG Fenghua.Effects of Different Restoration Patterns on Distribution of Soil Aggregates and Water Soluble Cations of Abandoned Salinized Field[J].Research of Soil and Water Conservation,2018,25(06):94-99,108.

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Effects of Different Restoration Patterns on Distribution of Soil Aggregates and Water Soluble Cations of Abandoned Salinized Field

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 06 Page number: 94-99,108 Column: Public date: 2018-10-26

Title:: Effects of Different Restoration Patterns on Distribution of Soil Aggregates and Water Soluble Cations of Abandoned Salinized Field

Author(s):: FENG Huan, ZHANG Junling, ZHANG Fenghua; College of Agriculture, Shihezi University, Shihezi, Xinjiang 832003, China

Keywords:: abandoned salinized field; restoration patterns; soil aggregate; water soluble cation

CLC:: S153.6;S152.4

DOI:: -

Abstract:: The effects of restoration patterns on soil aggregates and aggregate-associated soil water soluble Na⁺, K⁺, Ca²⁺, Mg²⁺ in abandoned salinized farmland were studied in the experimental field on the alluvial fan oasis of Manas River Basin.The results indicated that different restoration patterns in abandoned salinized fields significantly reduced the soil pH value and EC(p < 0.05), the scales of pH value under monoculture, intercropping and crop rotation were 10.7%，9.7%，10.6% lower than that under abandoned salinized field, respectively, the values of EC under monoculture, intercropping and crop rotation were 19.2%，71.0%，84.1% lower than that under the abandoned salinized field, respectively; the different reclamation modes increased the contents of > 0.25 mm soil macroaggregate (p < 0.05), the contents of > 0.25 mm soil macroaggregate under the monoculture, intercropping and crop rotation were 15.8%，13.2% and 15.6% higher than that under abandoned salinized field, respectively, and significantly higher than the other two sizes of aggregates (p < 0.05), the aggregate structure of the soil was significantly improved; water soluble cation contents of different restoration patterns were the highest in the size of < 0.25 mm aggregate, and content of cation decreased in the order: Ca²⁺ > Mg²⁺ > Na⁺ > K⁺. Intercropping and rotation significantly reduced water soluble cation contents (p < 0.05)，which implied that soil improvement effect under intercropping and rotation was significant. The intercropping and rotation are the preferred modes of vegetation restoration in saline soil.

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