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Abstract
ABSTRACT The use of biochar in crop production has garnered attention for its potential to improve soil fertility, water-holding capacity, and carbon sequestration. However, in arid and semi-arid regions where yield is constrained by water scarcity and fertilizer cost, the application of biochar is an important strategy to increase yield. This study evaluates the effects of different biochar levels (0%, 1.5%, and 3%) and watering regimes (50% and 100% of field capacity) on two rapeseed varieties (Sarigol and RGS) in a greenhouse experiment. The results demonstrated that biochar application could alleviate the negative effects of water deficit on zinc (Zn) (21.48%) content for both rapeseed varieties in comparison with control. Also, 3% biochar increased Copper (Cu) (10%) and Potassium (K) content (64.3%) in varieties compared to the control. The application of biochar in crop fields of southern Iran, characterized by poor soil quality and water scarcity, could represent an available and sustainable strategy for crop production under future climate change conditions.
Published Version
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