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- A thin ﬁlm of water (2-3 cm) should be maintained at the time of weedicide application and should not be drained up to one week. Maintain water level at 5 cm depth during ﬁrst seven days after planting and thereafter up to completion of tillering at 2 cm depth.
- Maintain water level at 5 cm depth from panicle initiation to grain maturity. Drain the water before fer tilizer application. Mid season drying discourages unproductive tillers. Drain the ﬁeld one week before harvest.Drain the ﬁeld and aerate whenever Sulphide injury occurs. Ensure drainage in deltaic alluvial soils (East and West Godavari and Nellore districts).
Water requirements of rice at different growth stages
||Depth of submergence (cm)
|| After transplanting for 3 days (3 DAT)
||DAT up to max. tillering
||At max. tillering (in fer tile ﬁelds)
(in fer tile ﬁelds) NIL 5.Max. tillering to PI 2 6.P1 to 21 DA ﬂowering 5