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Variation of (A) rooting depth and (B, C) root length density at different layers of soil profile in chickpea genotypes contrasting for terminal drought tolerance index (DTI) after 6 weeks of water stress imposition by withholding irrigation. Data are the means (±SE) of five replicated plants for each genotype and treatment. Genotypes are placed in order of increasing DTI on the x-axis, within group of sensitivity and tolerance.
