Integrated Bentonite, Humic Substances and Bacillus polymyxa Enhance Soil Functionality, Rhizosphere Processes, Nutrient Uptake and Fruit Quality of Siwi Date Palm Under Deficit Irrigation in Sandy Soil
Arid sandy soils are characterized by poor water retention, low nutrient availability, and limited productivity, posing major constraints to sustainable date palm cultivation under increasing water scarcity. A three-year field experiment was conducted to evaluate the combined effects of bentonite (BN), humic substances...