Abstract:
This two-year study (2023–2025) in Ghardaïa’s arid climate evaluated organic biofertilizers
(manure and compost) for saffron cultivation. Manure boosted vegetative growth and stigma
yield (569.9 mg dry weight), while high-dose compost (CD3) enhanced flowering (+18%).
Combined treatments showed balanced results but no synergy. Key soil challenges persisted:
elevated pH and suboptimal organic matter (18.38%). Statistical analysis linked treatments to
pH/limestone changes but not yield—likely due to field variability. Delayed planting and bulb-age imbalance reduced second-year productivity. Findings highlight the need for integrated
organic strategies: acidifying amendments, optimized planting schedules, and rigorous soil
monitoring to maximize saffron performance in arid zones.
