7Choi. M G. Cultural practices for improving grain quality of rice in southern plain area[J]. Korean J. Crop Sci. ,1990,35(6) :487-491.
8Cheong J I. Effects of slow-release fertilizer application on rice grain quality at different culture methods[J]. Korean J. Crop Sci. ,1996,41(3) :286-294.
9H. Tanaka · K. M. Kyaw · K. Toyota. Influence of application of rice straw, farmyard manure,and municipal biowastes on nitrogen fixation, soil microbialbiomass N, and mineral N in a model paddy microcosm[J]. Biol. Fertil. Soils,2006,(42):501-505.
