... May 190 1 ,90 0,000 150 - - Jun 170 1,700,000 100 - - Jul 210 2,100,000 110 - - Aug 205 2,050,000 130 - - Sep 255 2,550,000 100 - - Oct 270 2,700,000 100 - - Nov 155 1,550,000 110 - - Dec ... rate and the amount of throughflow of water in fields, 102 0-2 860 mm is required for a 100 day transplanted crop (Greenland 199 7). Flooded rice uses 4000 kL/ t of grain produced (Greenland 199 7). ... depth of 3 m for fishponds (Phan et al. 20 09) and a 9. 2 cm depth of each waste water application, 1 ha of fishpond requires about 33 ha of padi fields for each time the pond is fully emptied and...