Non-uniformity of environmental conditions in greenhouse lettuce production increases the risk of N pollution and lower product quality Stéphane de Tourdonnet, Jean-Marc Meynard, François Lafolie, Jean Roger-Estrade, Jacques Lagier and Michel SebillotteAgronomie, 21 4 (2001) 297-309DOI: https://doi.org/10.1051/agro:2001125
