查干淖尔盐碱地土壤化学组成及对盐地碱蓬和灰绿碱蓬生长的影响
Chemical Composition of Chagannoor Saline Alkali Soil and Its Effect on Growth of Suaeda salsa and Suaeda glauca

DOI: 10.12677/HJAS.2020.1012148, PP. 976-981

Keywords: 盐地碱蓬，灰绿碱蓬，查干淖尔盐碱地
Suaeda salsa, Suaeda glauca, Chagannoor Saline Alkali Soil

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Abstract:

对查干淖尔盐碱地土壤化学组成及对盐地碱蓬和灰绿碱蓬生长的影响进行探讨。结果表明，查干淖尔盐碱地土壤土质属黏土，以NaHCO₃和Na₂CO₃为主要盐分的强碱性盐碱土，土壤肥力匮乏。以湖盆为中心，向外辐射的不同程度盐碱化的3个样地上种植碱蓬实验结果表明，随着土壤盐碱化程度的加剧，盐地碱蓬和灰绿碱蓬种子发芽明显延迟，生长受抑制显著。相比，灰绿碱蓬对盐碱胁迫更加敏感，种子发芽延迟程度和生长受抑制程度均与盐地碱蓬差异达到极显著水平(P < 0.01)。
The chemical composition of soil in Chagannoor saline alkali soil and its effect on Suaeda salsa and Suaeda glauca growth were discussed. The results showed that the soil of Chagannoor saline alkali soil belongs to clay soil, and the soil fertility was deficient in the strong alkaline saline alkali soil with NaHCO₃ and Na₂CO₃ as the main salts. The results showed that with the aggravation of soil salinization, the germination of Suaeda salsa and Suaeda glauca seeds was significantly delayed, and the growth was significantly inhibited. Compared with Suaeda salsa, Suaeda glauca was more sensitive to saline alkali stress, and the degree of seed germination delay and growth inhibition was significantly different from that of Suaeda salsa (P < 0.01).

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