Abstract
AbstractLand application of treated wastewater (TWW) and biosolids is considered a cost-effective reuse method and valuable source of organic matter and nutrients. However, it may pose an adverse impact on the environment and human health. The main objective of this study is to determine the ability of land application of TWW and biosolids to enhance crop production and soil fertility. The study compared the effect of biosolids, commercial fertilizer, and manure on forage crop production (Zea mays). The soil and applied materials were analyzed before the experiment for major characteristics. Application rates were determined and calculated based on the crop nitrogen requirement, which is approximately 135 kg ha−1. Applied materials were incorporated uniformly in the top soil. Drip irrigation system was installed and Z. mays were sowed, and the plants were irrigated weekly with TWW to reach field capacity water content. At harvest, the crop yield and yield components were determined. Soil and plant samples...
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