Visual comparison of the growth of tomatoes plants for the samples with different concentration of SAP, for red soil (left side) and white soil (right side). In these plants, the SAP was mixed with the surface layer of the soil.
Visual comparison of the growth of tomatoes plants for the samples with differentconcentration of SAP, for red soil (left side) and white soil (right side). In these plants, theSAP was mixed with the surface layer of the soil.