Chemical Attributes of Soil Fertilized with Cassava Mill Wastewater and Cultivated with Sunflower

Table 2

Chemical and physical characterization of cassava wastewater used in the experiment.

Parameters	Levels
Chemical oxygen demand, COD (mg L^−1)	66,617
Electrical conductivity (dS m^−1)	7.27
pH	6.60
Nitrogen (mg L^−1)	3,064.0
Phosphorus (mg L^−1)	312.0
Potassium (mg L^−1)	3,200.0
Calcium (mg L^−1)	241.9
Magnesium (mg L^−1)	1,588.2
Sodium (mg L^−1)	390.0
Sulfate (mg L^−1)	2,205.0
Chlorides (mg L^−1)	795.0