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Irrigation is performed rarely.
In the research it is found that evaporation and respiration amounts are 34-40mm of average per a week on June and August. |
-15/20 mm of water per a week should be given from the beginning of lump generation until 20cm of plant length (when plants begin to touch each other) |
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30 mm of water per a week should be given in a period from 20 cm of plant length until green part will cover 100% of field
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40-50 mm of water per a week should be given after field will be covered by green part and during lump growing. |
Stop watering before 3-4 weeks from date of harvest
(old stage)
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