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1 ha-cm = 10,000 liters To find the drainage rate in liters per second (lps), we divide the drainage in liters by the number of seconds in 24 hours: 24 hours = 24 × 60 × 60 seconds = 86,400 seconds Drainage rate = 10,000 liters / 86,400 seconds Drainage rate = 0.1157 lps
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