Microfiltered Digestate Treatment to Fertigation: An Environmentally and Economically Sustainable Solution

Key Points

• The aim is to integrate microfiltration of digestate with fertigation systems to improve sustainability in agriculture.
• Implemented an integrated system of digestate microfiltration and sub-irrigation dripline fertigation
• Evaluated the impact on nutrient reuse and reduction of mineral fertilizer inputs
• Analyzed economic and environmental sustainability metrics
• Increased nutrient reuse from digestate in maize production
• Reduced reliance on mineral fertilizers
• Demonstrated improved environmental and economic sustainability