Profitability of twin?row planting and skip?row irrigation in a humid climate

We assessed the potential profitability of twin-row (TR) planting geometry as a water productivity-enhancing practice and skip-row irrigation (SRI) water-conserving in furrow-irrigated cotton (Gossypium hirsutum L.) soybean (Glycine max L.). Data from agronomic experiments carried on Dundee silt loam soils indicate that, average, TR increases by US$344 ha?1 for all-row irrigated (ARI), $401 SRI, $334 rainfed (RF) cotton. For soybean, gains were $178 ARI irrigated, $121 RF. Converting to SRI can conserve 88 mm average 91 while improving profits $55–113 ha?1. Soybean growers expect reduction ?$11 Incentive payment ?$0.132 mm?1 saved would compensate farmers expected losses adopting Delta Mississippi.