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http://dx.doi.org/10.5338/KJEA.2012.31.4.378

Evaluation of Phosphorus Balance in Green Manure-Rice Cropping Systems with Different Incorporation Rate of Green Manure Crops  

Kim, TaeYoung (Division of Applied Life Science, Gyeonsang National University)
Daquiado, Aileen Rose (Division of Applied Life Science, Gyeonsang National University)
Alam, Faridul (Division of Applied Life Science, Gyeonsang National University)
Kim, Pil-Joo (Division of Applied Life Science, Gyeonsang National University)
Lee, YongBok (Division of Applied Life Science, Gyeonsang National University)
Publication Information
Korean Journal of Environmental Agriculture / v.31, no.4, 2012 , pp. 378-380 More about this Journal
Abstract
BACKGROUND: In Korea, green manure has been cultivated for reducing chemical fertilizer application, maintaining soil fertility, and feeding livestock in winter season. We evaluated the phosphate balance under green manure-rice cultivating system with different removal rates of green manure for maintaining soil fertility. METHODS AND RESULTS: The barley and hairy vetch mixture was selected as the green manure in this study. The barley and hairy vetch was sowed at a rate of 135 and 23 kg/ha, respectively, without fertilizer application. Total aboveground biomass was 12000 (barley: 5400 kg/ha, hairy vetch: 6600 kg/ha) kg/ha, and these green manure were incorporated with different input rates before rice planting. The input rates of green manure in this study were 0 (NPK+0%), 25 (NPK+25%), 50 (NPK+50%), 75 (NPK+75%) and 100 % (NPK+100) and the standard fertilization (NPK) without green manure cultivation. All treatments were applied with standard fertilizer (N-P-K: 90-19.6-48.3 kg/ha) before rice planting. The highest rice yield was observed in NPK+50% which was 20% higher compared with NPK. The phosphate balance with different incorporation rates of green manure was-104.0,-76.8,-52.9,-27.4, and 6.0 kg/ha for NPK+0%, NPK+25%, NPK+50%, NPK+75%, and NPK+100%, respectively. CONCLUSION(S): The use of green manure for livestock feeding in green manure-rice cropping systems could remove a huge amount of phosphate. This cropping system strongly requires phosphate application before green manure seeding for maintaining soil fertility.
Keywords
Green manure; Phosphate balance; Rice;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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1 Jeon, W.T., Seong, K.Y., Kim, M.T., Oh, G.J., Oh, I.S. Kang, U.G., 2010. Changes of soil physical properties by glomalin concentration and rice yield using different green manure crops in paddy, Korean J. Soil Sci. Fert. 43, 119-123.   과학기술학회마을
2 Jeon, W.T., Seong, K.Y., Oh, G.J., Kim, M.T., Lee, Y.H., Kang, U.G., Lee, H.B., Kang, H.W., 2012. Changes of biomass of green manure and rice growth and yield using leguminous crops and barley mixtures by cutting height at paddy, Korean J. Soil Sci. Fert. 45, 192-197.   DOI   ScienceOn
3 Kim, P.J., Lee, Y.B., Lee, Y., Yun, H.B., Lee, K.D., 2008. Evaluation of livestock manure utilization rates as agricultural purpose in developed OECD countries by using nutrient balances, Korean J. Environ. Agri. 27, 337-342.   과학기술학회마을   DOI   ScienceOn
4 RDA, 2003. Standard methods for agricultural experiments, Rural Development Administration, Korea.