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柽柳的耐盐能力及其对滨海盐渍土的改良效果研究

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[目的]为推动柽柳在盐溃土地区的种植与盐渍土的利用提供理论基础.[方法]在东营盐生植物园的盐池进行盆栽和田间耐盐试验,测定柽柳生长50 d后的平均株高、地径、分枝数和死亡率.[结果]柽柳的耐盐能力在25 g/kg左右,耐盐极限为35g/kg左右;柽柳能够有效地降低土壤表层含盐量,增加土壤有机质含量,提高土壤中N、P、K的含量.[结论]柽柳是一种耐盐能力很强的盐生植物,对滨海盐渍土具有明显的改良作用.
Salt Tolerance Capability of Tamarix chinensis and the Effects on the Improvement of Coastal Saline Soil
[ Objective] The research aimed to provide academic basis to improve and utilize the coastal saline soil by Tamarix chinensis. [Method] The potted and field experiment was carried out at Dongying Halophyte Garden. And the average height, basal diameter, branch number and mortality rate of Tamanx chinensis was delected after growed for 50 days. [Results] The capability of salt tolerance of Tamarix chinensis was around 25 g/kg and the utmost tolerance was around 35 g/kg. Planting Tamanx chinensis could reduce the salt content in topsoil effectively, and improve the content of soil organic matter, N, P and K.[ Conclusion] The research proved that Tamanx chinensis was a kind of plant with significant salt tolerance capability and it had remarkable effects on the improvement of coastal saline soil.

Tamarix chinensisSalt toleranceSaline soilImprovement

张立宾、宋日荣、吴霞

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东营市农业科学研究所,山东东营,257091

山东黄河三角洲自然保护区,山东东营,257000

利津县国有一千二林场,山东利津,257400

柽柳 耐盐性 盐渍土 改良

2008

安徽农业科学
安徽省农业科学院

安徽农业科学

CSTPCD北大核心
影响因子:0.413
ISSN:0517-6611
年,卷(期):2008.36(13)
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