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Abstract:
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(En)
Spring wheats are sown in autumn and mature under conditions of spring water deficits in Western Australia. While grain yields are very small, water-use efficiences of crops grown with good management compare favourably with the rest of Australia at 10 kg grain ha-1 mm-1. Major water loss, calculated at an average 40 per cent of growing-season rainfall, occurs through evaporation from the soil surface, and in some years significant losses also occur through deep drainage on sandy soils. Evaporation los
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