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Potential of Bacopa monnieri (L.) Wettst and Sesuvium verrucosum Raf. as an agronomic management alternative to recover the productivity of saline soils.
International Journal of Phytoremediation ( IF 3.4 ) Pub Date : null , DOI: 10.1080/15226514.2019.1663484
Marcos A Lastiri-Hernández 1 , Dioselina Álvarez-Bernal 1 , Salvador Ochoa-Estrada 1 , Silvia Maribel Contreras-Ramos 2
Affiliation  

Water scarcity and increasing salinity are the main limiting environmental factors directly affecting the establishment and development of agroecosystems. The objective of this study was to assess the capacity of the halophytes Bacopa monnieri (L.) Wettst and Sesuvium verrucosum Raf., to improve the chemical properties of a saline soil during a 240-day period in the field so as to subsequently examine their potential to associate with Zea mays in the previously desalinated surface. The treatments proposed were [T1 (reference soil sample), T2 (soil + B. monnieri), T3 (soil + S. verrucosum), and T4 (soil + B. monnieri + S. verrucosum)]. The results showed that the association of the species B monnieri and S. verrucosum has the potential to enhance the chemical characteristics of the severely saline and clayey soil, showing ECe reductions of 11.13-7.97 dS/m and pH of 7.84-7.42, as well as increase in soil porosity from 54.71% to 57.23%. It was also found that the association of these plants have a phytodesalination capacity of 1.21 t Na+ ha-1, this served to prepare the conditions for the growth of the Z. mays and generate yields of 8.5 t ha-1.

中文翻译:

Bacopa monnieri(L.)Wettst和Sesuvium v​​errucosum Raf的潜力。作为恢复盐碱土生产力的农艺管理替代方案。

缺水和盐碱化是直接影响农业生态系统建立和发展的主要限制环境因素。这项研究的目的是评估盐生植物Bacopa monnieri(L.)Wettst和Sesuvium v​​errucosum Raf。的能力,以改善田间240天期间盐渍土壤的化学特性,以便随后对其进行检查。在以前淡化的表面上与玉米的可能联系在一起。提议的处理方法是[T1(参考土壤样品),T2(土壤+葡萄孢),T3(土壤+葡萄球菌)和T4(土壤+ B. monnieri +葡萄球菌)]。结果表明,物种B monnieri和S. verrucosum的结合具有增强严重盐碱化和黏性土壤化学特性的潜力,表明ECe降低了11.13-7。97 dS / m,pH为7.84-7.42,土壤孔隙度从54.71%增加到57.23%。还发现这些植物的结合具有1.21t Na + ha-1的植物脱盐能力,这为玉米的生长奠定了条件,并产生了8.5t ha-1的产量。
更新日期:2020-03-20
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