Effect of fertigation with dairy wastewater in the salinity of the soil cultivated with Mombaça grass
DOI:
https://doi.org/10.6008/CBPC2179-6858.2022.008.0013Keywords:
Effluent, Reuse, Clay dispersionAbstract
The dairy industry is characterized by consuming a large amount of water for processing and cleaning operations, as well as high generation of wastewater (effluents), which, when disposed improperly, can cause deleterious effects to the soil, cultures and water bodies. Thus, this study aimed to determine the possible changes in clay dispersion and sodium saturation index in soil grown with Mombaça grass, when applied doses of dairy wastewater in order to provide sodium content ranging from 75 to 600 kg ha-1 year-1. According to the results, it was concluded that there were no changes in the soil and that the rate of 600kg ha-1 year-1 can be used without causing soil salinity problems.
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