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1 Chin, L. T.. 1975. Formulas developed for farm-level irrigation of lowland rice. In International Rice Research Institute, Water management in Philippine irrigation systems: Research and operations (pp. 145-154). Los Banos, Laguna, Philippines: International Rice Research Institute.
(Location: IWMI-HQ Call no: 631.7.6 G732 INT Record No: H015)
The paper describes scientific management of irrigation for the seedbed, land preparation, and growth periods of lowland rice. The land preparation period is found critical for canal design, and appropriate formulas are discussed relating the area to be prepared with the duration of the period and available water supply. Water management for the crop after transplanting is also defined through formulas. Experience from Taiwan is used to estimate rotation intervals under conditions of variable soils, sources of water, and seasons.
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