“…Although RDI or PRD have distinct benefits, the precise conditions under which they are most advantageous are still being investigated (de Souza et al, 2004;Collins et al, 2005;Romero et al, 2010). Differences in opinion probably result from an incomplete understanding of the degree and importance of soil variability to root function; their effects on fruit ripening; varietal drought-response mechanism (isohydric vs. anisohydric); as well as timing and duration.…”