Molecular Soil Biology 2025, Vol.16, No.3, 103-113 http://bioscipublisher.com/index.php/msb 107 potassium in the soil and strengthen its nutrient supply capacity (Chen et al., 2020). Proper use of wastewater can also add more organic matter, major nutrients and trace elements to the soil without exceeding the heavy metal standard (Gurjar et al., 2023). If bio-fertilizers are used together with chemical fertilizers, it can not only reduce the amount of chemical fertilizers used, but also increase the yield of flowers and the nutrient level of the soil (Kumar et al., 2022). Figure 2 Schematic diagram of C. morifolium-maize intercropping and monoculture treatments. (A) monoculture C. morifolium(MC); (B) monoculture maize (MM); (C) C. morifolium-maize intercropping, C. morifolium-maize narrow-wide row planting (IS, C. morifolium and maize of IS known as ISC and ISM, respectively); (D) C. morifolium-maize intercropping, C. morifolium-maize middle row planting (IM, C. morifoliumand maize of IM known as IMC and IMM, respectively) (Adopted from Liao et al., 2024)
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