How Climate, Soil Conditions, and Biochar Characteristics Influence Crop Yield, Nitrogen and Phosphorus Fertilizer Productivity, and Economic Returns Across Cereals and Legumes: A Global Meta–Analysis
Biochar application is widely proposed to improve crop yield and fertilizer productivity, yet its performance varies across climatic, soil, and management contexts. This global meta–analysis study of about 705 database entries retrieved from 93 studies analyzed responses across climatic classification, biochar feedstoc...