Research Article
Fly Ash and Composted Biosolids as a Source of Fe for Hybrid Poplar: A Greenhouse Study
Table 5
Soil sodium adsorption ratio (SAR), electrical conductivity (salinity), and pH of a Doak sandy loam amended with industrial byproducts.
| | SAR | EC | pH | | Treatments | (mmol Lā1) | (dS mā1) | saturated paste |
| | Control | 5.65 ab | 3.24 d | 8.62 b | | Fe EDDHA + UAN | 5.78 a | 3.17 d | 8.66 ab | | ACB DTPA | 5.42 b | 3.47 c | 8.58 bc | | ACB 22.75 | 5.55 ab | 3.77 b | 8.50 cd | | ACB 44.5 | 4.95 c | 4.04 a | 8.44 d | | FA 22.75 + UAN | 5.73 a | 3.10 de | 8.64 b | | FA 44.5 + UAN | 5.62 ab | 3.16 d | 8.67 ab | | FA DTPA + UAN | 5.67 a | 3.03 e | 8.76 a |
| | Mean | 5.54 | 3.37 | 8.6 | | LSD | 0.24 | 0.18 | 0.1 | | Value | 9.32 | 31.71 | 7.33 | | Pr | <0.0001 | <0.0001 | <0.0001 |
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Refer to Experimental Design and Statistical Analysis section for treatment codes.
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