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Modelling soil-water-plant relationships in the Cerrado soils of Brazil: the case of maize (Zea mays L.)

, : Modelling soil-water-plant relationships in the Cerrado soils of Brazil: the case of maize (Zea mays L.). Agricultural Systems 8(2): 115-127

The model calculates daily soil water evaporation plant transpiration and soil-water balance for 14 soil layers of 15 mm each. The model includes a subroutine to calculate capillary water movement. Computer simulations of daily soil water levels at 5 soil depths (15, 30, 45, 60 and 90 cm) for a field of maize are compared with actual field measurements over an 80-day period. The developed model can, in general, estimate the soil-water balance of the various depths within .+-.10% of actual measurements.


DOI: 10.1016/0308-521X(82)90060-9

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