EFFECT OF WATER MANAGEMENT ON ROOT ACTIVITIES, N UPTAKE AND YIELD OF RICE

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dc.contributor.advisorDr. Yuka Sasaki
dc.contributor.authorMOINUR, RAHMAN SHAH
dc.date.accessioned2022-04-24T04:48:14Z
dc.date.available2022-04-24T04:48:14Z
dc.date.issued2011-03
dc.descriptionTotal worldwide withdrawals of fresh water are estimated at 3,600 km? annually, of which 2,500 km? is used to irrigate crops (Falkenmark and Rockstrom 2004). The rest is used in industry and for domestic purpose. Approximately 56% of the world’s 271 million ha of irrigated area of all crops is in Asia, where rice accounts from 40-46% of the net irrigated area of all crops (Dawe 2005). At the field level, rice receives up to 2-3 times more water than other irrigated crops, but an unknown proportion of the water losses from individual fields are reused by other fields downstream. Assuming a reuse fraction of 25%, it can be estimated that irrigated rice receives some 34-43% of the total world’s irrigation water, or 24-30% of the total world’s freshwater withdrawals (Tuong and Bouman, 2005).
dc.identifier.otherhttp://103.7.193.12:8080/xmlui/handle/123456789/709
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/709
dc.language.isoen
dc.publisherYAMAGATA UNIVERSITY
dc.sourceHSTU Institutional Repository
dc.subjectWATER MANAGEMENT ON ROOT ACTIVITIES
dc.subjectMeasurement of root respiration rate
dc.subjectEffect of shallow water management on root activity
dc.titleEFFECT OF WATER MANAGEMENT ON ROOT ACTIVITIES, N UPTAKE AND YIELD OF RICE
dc.typeThesis

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