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Soil salinity is considered one of the main types of soil degradation in semiarid environments around the globe. This work aims to evaluate the effectiveness of soil conditioners to enhance the growth and salt extraction ability of  Salicornia ramosíssima  for different soil moisture contents.  Salicornia  plants were cultivated in pots in which the soils were treated with the following conditioners: control; gypsum + organic matter; elemental sulfur + organic matter; and gypsum + elemental sulfur + organic matter.  Salicornia  plants were subjected to two soil moisture rates – at 35 and 85% field capacity. Soil conditioners associated with higher contents of soil moisture promoted significant increases, compared to control, in fresh (6.20 − 11.13 g) and dry matter (1.20 − 2.07 g), relative biomass (100 − 179%) as well as significantly increased the concentrations of Na +  (56.09 − 65.64 mg kg −1 ) and Cl –  (110.83 − 150.0 mg kg −1 ) in plant tissues. Soil conditioners significantly increased salt extraction ability under the two moisture levels, mainly by promoting higher values for both transfer factor and phytoremediation potential. The best performance of  Salicornia  in terms of plant yield and salt extraction, regardless of the moisture level, was the gypsum + organic matter. Novelty statement There are no studies in the literature relating the use of conditioners as a strategy to enhance  Salicornia ’s ability to extract salts. This work contributes to the management of salinized areas around the globe in two main aspects. The first is that many of these salt-degraded areas are desertified and through this study, it is possible to revegetate and recover them. The second one is that, since  Salicornia  is a plant with economic value, this can serve as an incentive for farmers to grow  Salicornia  in saline areas.

international journal of phytoremediation

Effectiveness of soil conditioners to enhance salt extraction ability of  Salicornia ramosissima  in saline-sodic soil for different soil moisture contents