7FAO.FAO Production Yearbook [Z].Home:Food and Agricul- tural Organization,2004.
8SAHA GPK,MIAH MAM.Efficiency of IPNS-Based chemical fertilizer application in wet land rice [J].Bangladesh Agriculture Research,2009,34(1):5-13.
9BROHI A R,KRAMAN M RfTOPBAS M T,et al.Effect of potassium and magnesium fertilization on yield and nutrient content of rice crop grown on artificial siltation soil [J].Turk- ish Journal of Agriculture and Forestry,2000,24:429-436.
10MARCHEZAN E,CAMARG0 E R,SEGABINAZZI T.Phos- phate and potassium fertilization management in pre-germinat- ed rice system[J].Bragantia,2007,66(2):219-226.
