Where do you have the 3000 L of water for 1 kg almonds from? It is not in that paper. I read about 10000-15000L per kg almonds (here: https://berlin.nabu.de/umwelt-und-ressourcen/oekologisch-leben/essen-und-trinken/32632.html) but that was admittedly not a scientific publication.
General rules:
Exceptions may be made at the discretion of the mods.
Where do you have the 3000 L of water for 1 kg almonds from? It is not in that paper. I read about 10000-15000L per kg almonds (here: https://berlin.nabu.de/umwelt-und-ressourcen/oekologisch-leben/essen-und-trinken/32632.html) but that was admittedly not a scientific publication.