M. M’hamdi and F. Kalleli. Determine the Effect of Different Levels of Nitrogen Treatment on Morphological and Physiological Parameters and Nitrates Accumulation of Lettuce Cultivars (Lactuca sativa L.). CRPAS-V1 [Internet]. 2024 May 30 [cited 2026 Jul. 5];:1-18. Available from: https://stm.bookpi.org/CRPAS-V1/article/view/14788