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Fig. 2. Soil water content at 0- to 40-cm depth along wheat growing season, under no-tillage (NT) and conventional tillage (CT), in 1998 and 1999. EE 99, ear emergence in 1999; A 98, anthesis in 1998; PM 98 and PM 99, physiological maturity (1998 and 1999, respectively).
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