Research Article
Nutrient Availability and Changes on Chemical Attributes of a Paleudult Soil Amended with Liquid Sewage Sludge and Cropped with Surinam Grass
Table 3
Soil chemical attributes at the 0–20 cm depth layer of soil samples from plots with and without sewage sludge (SS) addition. Means over four years of application (*).
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(*) Means followed by the same letters in the column do not differ by F test (). |