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Interactive effects of water table depth, rainfall variation and sowing date on maize production in the Western Pampas
The study identifies an optimum water-table depth of 1.5–2.5 m for maize production in the Western Pampas, where yields are highest and most stable regardless of rainfall or sowing date. Water-tables shallower than this range cause yield declines due to waterlogging, while deeper water-tables lead to significant yield reductions, particularly for early-sown maize during dry seasons, as these crops rely more heavily on groundwater supply.
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Document type: Research paper
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