Study of the effect of planting density in greenhouses and open fields on the yield of quinoa (Chenopodium quinoa Willd.) in Eastern MoroccoQamar Mesbahi, Ibtissam Mzabri, Chaymae Aazizi, Ibtihal Bekkouch and Abdelbasset BerrichiBIO Web Conf., 215 (2026) 01012DOI: https://doi.org/10.1051/bioconf/202621501012