Root length densities (RLD) were measured 34, 49, 125, 179, 241 and 322 days after planting
(DAP) down to a depth of 1 m. At the harvest (332 DAP), root intersects (a proxy for RLD) were counted on two vertical trench walls in each water supply regime, down to a depth of 6.0 m. The highest RLD in deep layers (below a depth of 0.6 m) were observed in the rainfed crop from 125 DAP onwards. By contrast,the highest RLD in the upper layers during dry periods were found in the irrigated crop.
Root length densities (RLD) were measured 34, 49, 125, 179, 241 and 322 days after planting(DAP) down to a depth of 1 m. At the harvest (332 DAP), root intersects (a proxy for RLD) were counted on two vertical trench walls in each water supply regime, down to a depth of 6.0 m. The highest RLD in deep layers (below a depth of 0.6 m) were observed in the rainfed crop from 125 DAP onwards. By contrast,the highest RLD in the upper layers during dry periods were found in the irrigated crop.
การแปล กรุณารอสักครู่..