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Characteristics of water metabolism in maize. II. Water absorption pattern and critical period

, : Characteristics of water metabolism in maize. II. Water absorption pattern and critical period. Journal of Science and Engineering 19: 1-9

Maize was grown in an apparatus enabling water uptake from 5 soil depth zones to be measured. Water uptake in the 2nd zone (20-40 cm deep) began 10 days after germination, in the 3rd zone 15 days later and in the 4th zone a further 35 days later. Water from the 5th zone was not utilized. Peaks of water uptake occured in the 1st, 2nd and 3rd zone but not in the 4th zone and the peaks did not coincide with the peak in total uptake.

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