Research Article
Effects of Biochar, Lime, and Compost Applications on Soil Physicochemical Properties and Yield of Pomelo (Citrus grandis Osbeck) in Alluvial Soil of the Mekong Delta
Table 2
Effects of soil amendments and years on soil properties in topsoil (0–20 cm).
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Different letters in the same column indicate significant differences at , , and ; ns indicates no significant difference at . Control, NPK fertilizer; biochar, NPK fertilizer + 5 ton·ha−1·yr−1 of biochar; lime, NPK fertilizer + 2 ton·ha−1·yr−1 of lime; compost, NPK fertilizer + 5 ton·ha−1·yr−1 of compost. |