Abstract

The goal of this study is to examine the reactions of tomato (Solanum lycopersicum) plants to both untreated greywater and treated greywater filtered through a zeolite. In a randomized block arrangement, tomato plants were irrigated with greywater, treated greywater, or tap water. Number and total fecal coliforms were found in soil, tomato leaves, and fruits. Compared to tap water, greywater has higher levels of Ec, TDS, and COD. The average fruit weight and number for plants irrigated with tap water was 64.42 g and 4.2, while those irrigated with treated greywater were 55.4 g and 3.6, exceeding those irrigated with untreated greywater 39.6 g and 3.2. Treated greywater irrigation increased total chlorophyll content (SPAD) from 57.6 to 62.4 and relative water content from 49.6% to 63%. The leaves contained lower levels of proline (55.9 μmol/g) and total soluble sugar (32.24 mg/g). Researchers found total fecal coliforms in the soil, tomato leaves, and fruits. According to the research, treated greywater may prevent contamination of soil and save water.

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