Proper Phosphate Fertilization Rate and Grain Yield for Rice in South-west Gyehwado Reclaimed Saline Paddy Fields
2010
Choi, M.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Lee, J.H., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Park, H.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Ku, B.I., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Lee, K.D., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Back, M.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Back, N.H., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, Y.D., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Park, T.S., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Choi, W.Y., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Ko, J.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea
To verify proper phosphate fertilization levels in south-west reclaimed saline paddy fields, we investigated rice growth, yield components, yield and quality with rice cultivar(Haechanmulgyeol) tested in reclaimed field of Gyehwado subdivision in 2008. The treatment levels(kg/ha) were non-supply, 15, 35, 45 and 51(recommended phosphate fertilization). The phosphoric acid content in soil after rice cultivation decreased with phosphate fertilizer rate. The rice yield at 35, 45 kg/ha phosphate treatment was not significantly different with recommended phosphate fertilization(51 kg/ha). In addition, protein content in milled rice grain was similar with 35kg/ha treatment. In these results, proper phosphate fertilization level was 35kg per ha in Gyewhado reclaimed paddy fields when considering the yield and quality.
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