This study investigates the impact of climate variability on wheat production in Algeria’s semi-arid interior plains from 2014 to 2024, aiming to curb the challenges of rainfed wheat cultivation, optimize irrigation, and improve water productivity. The Soil–Water–Atmosphere–Plant (SWAP) model-driven approach refined irrigation scheduling to mitigate climate-induced losses and improve resource efficiency. Using historical climate data, soil properties, and wheat growth observations from the experimental farm of the Technical Institute for Field Crops, the SWAP model was calibrated and validated using one-factor-at-a-time sensitivity analysis, achieving a coefficient of determination (R²) of 0.93 and a Normalized Root Mean Squared Error (NRMSE) of 17.75. Two drought-based irrigation indices, Soil Moisture Drought Index (SMDI) and Crop Water Stress Index (CWSI), guided adaptive irrigation strategies, showing a significant reduction in crop failure during drought periods. Results revealed a strong link between rainfall variability and wheat yield. Adopting a 9-day irrigation interval could increase water productivity to 18.91 kg ha⁻¹ mm⁻¹, enhancing yield stability under varying climatic conditions. The SMDI approach maintained soil moisture during extreme drought, while CWSI optimized water use in normal and wet years. This study integrates SMDI and CWSI into a validated irrigation framework, offering data-driven strategies to enhance wheat production resilience. Findings support sustainable water management and provide practical insights for policymakers and farmers to refine irrigation planning and climate adaptation, contributing to long-term agricultural sustainability.

Date palm waste (DPW) compost poses several challenges attributed to its lignocellulosic composition, which restricts biodegradability. This study used DPW, chicken litter (CkL), and water to achieve 60% moisture and 30 C:N ratio, following a compost recipe calculator. Using a rotary drum...

Background: The aim of this study is to investigate the physico-chemical and morphological characteristics of soils in the Ain Benoui region, Biskra, Algeria. Methods: In this context, a morphological description and physico-chemical analyses (pH, EC, CEC, porosity, true and bulk density, etc.) were carried out on soil samples collected. Result: The results of this study show that the topography is flat with the presence of halophytic vegetation.The characteristics of the soils studied are as follows:The pH varies between 8.2 and 8.6 and the electrical conductivity between 1.87 and 19.88 dS/m. The total limestone content varies from 1.13 to 42.91% and the gypsum content from 0 to 64.5%. The organic matter content varies between 0.68 and 1.63%. As regards the physical characteristics of the soils, the bulk density varies between 1.11 and 1.94 g/cm3. The true density varies between 2.27 and 2.62 g/cm3 and the total porosity varies between 21.19 and 53.63%.