Corn Hybrid Response to Water Management Practices on Claypan Soil

Table 2

Drainage and irrigation water management schedule by year.

Water management schedule	2008	2009	2010
Drainage mode	15 Mar.	15 Mar.	15 Mar.
Controlled drainage date	17 July	25 June	6 July
Subirrigation date	17 July–25 July, 4 Aug.–15 Sep.	25 June–16 Sep.	2 Aug.–10 Sep.
Drainage mode	25 July–4 Aug., 15 Sep.	16 Sep.	10 Sep.–29 Oct.
Controlled drainage	15 Nov.	22 Nov.	29 Oct.
	18 July, 13 mm	1 July, 34 mm	None applied
Overhead irrigation dates and amounts	8 Aug., 43 mm	20 July, 21 mm
	19 Aug., 32 mm	30 July, 25 mm
	28 Aug., 20 mm	6 Aug., 12 mm