<正> 1996 is the first year for realizing the object of fish culture in 66,600 ha of rice field in Zhejiang Province. The provincial government has appropriated
Each 1g / pot of urea and K2SO4 were supplied to 15L pots containing four rice plants of two-line hybrids, W6154S / Tesan'ai and W6154S/DF0(Ft), 5-7 d befor