At Fuyang, deep water method instead of soil drainage was used, the water layer about 10 cm thick was kept for some days near maximum tillering stage, this could result in deterioration of soil environmental condition for rice growth at late stages.

• 在富阳，用保持深厚水层的办法代替土壤排水，在最大分蘖期保持10厘米厚水层数天，破坏了水稻生长后期土壤环境条件。