Research Article
Wheat (Triticum aestivum L.) Cultivar Selection Affects Double-Crop and Relay-Intercrop Soybean (Glycine max L.) Response on Claypan Soils
Table 1
Fertilizer rates, application dates, and seeding dates for wheat and soybean cropping systems from 2003 to 2005.
| | Field information and management | 2003 | 2004 | 2005 |
| | Wheat | | | | | Seeding date | 12 Oct. 2002 | 24 Oct. 2003 | 9 Nov. 2004 | | Fertilizer (N-P2O5-K2O kg ha-1) | 45-67-90 | 45-56-67 | 100-67-90 | | Application date | 12 Oct. 2002 | 31 Oct. 2003 | 1 Mar. | | Fertilizer (N-P2O5-K2O kg ha-1) | 55-0-0 | 55-0-0 | | | Application date | 18 Mar. | 14 Mar. | | | Soybean | | | | | Seeding date (RI and MC) | 23 Apr. | 28 Apr. | 25 Apr. | | Seeding date (DC) | 7 Jul. | 26 Jun. | 1 Jul. |
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Abbreviations: DC, Double-crop; MC, Monocrop; RI, Relay-intercrop.
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