Ref1

https://www.researchgate.net/profile/Gus_Gintzburger/publication/303996657_Fodder_Shrubs_development_in_Arid_and_semi-Arid_zones/links/5764ffaf08aedbc345ed14e4/Fodder-Shrubs-development-in-Arid-and-semi-Arid-zones.pdf#page=194