蛭石基复合改良剂对盐碱土育苗性能的研究

ZHU Baolin,YOU Houmei, XIA Junlong,ZHANG Xiangkun, REN Feng, CHEN Haoyue,TIAN Weiliang

Journal of Tarim University(2023)

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Abstract
根据国内外治理盐碱的现状和发展趋势,本实验以蛭石为原料,探索治理盐碱地的方法.研究结果表明,当盐碱含量为1%,蛭石颗粒为 0.250~0.425 mm(孔隙率为 55%)、添加量为 30%效果最佳,可使盐碱电导率下降 9.55%;当复配改良剂(蛭石+黄腐酸钾+棉秸秆灰)的添加量为 8%~18%时,番茄可以出苗.通过利用蛭石多孔、保湿与缓释等功能构建盐碱土复合改良剂,对于治理盐碱地具有重要的经济和社会意义.
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Key words
vermiculite,saline-alkali soil,improvement
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