1Yamamoto Y,et al.Characteristics of taking root of rice nurseling seedling in relation to the changes of some inorganic and organic constituents after transplanting.J Crop Sci.1998,67:20～ 25
2Yamada N,et al.Ecological effects of planting density on growth of rice plant.Proc Crop Sci Soc,1961,29:329～ 333
3Cassman K G,et al.Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems.Field Crops Research,1998,56:7 ～ 39.
4Fuke,Y.Analysis of technological effects on rice contest yields in Japan.Tokyo:Hokuriku district-Tokyo Agric Univ,1961:1 ～ 74
5Yoshinaga S,et al.Growth characteristics of submerged hill-seeded rice (Oryza sativa L.) in warmer regions of Japan.-Differences of growth as compared with broadcast-seeded rice.J Crop Sci,2001,70:541 ～ 547
6Tabbal D F,et al.On farm strategy for reducing water input in irrigated rice; Case studies in the Philippines.Agric Water Manag,2002,56:93～ 112
7San-oh Y,et al.Comparison of dry matter production and associated characteristics between direct-sown and transplanted rice plants in a submerged paddy field and relationships to planting pattem.Field Crops Res,2004,87:43 ～ 58
8Ota Y and Nakayama M.Effect of seed coating with calcium peroxide on germination under submerged condition on rice plant.Proc Crop Sci Soc,1970,39:535 ～ 536
9Peng S,et al.Increased N-use efficiency using a chlorophyll meter onhigh-yielding irrigated rice.Field Crops Res,1996,47:243 ～ 252
