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http://dx.doi.org/10.7745/KJSSF.2011.44.5.853

Effect of Biomass and N Production by Cultivation Methods of Leguminous and Gramineae Green Manures on Rice Growth in Central Regions of Korea  

Jeon, Weon-Tai (National Institute of Crop Science, RDA)
Seong, Ki-Yeong (National Institute of Crop Science, RDA)
Kim, Min-Tae (National Institute of Crop Science, RDA)
Oh, In-Seok (National Institute of Crop Science, RDA)
Choi, Bong-Su (National Institute of Crop Science, RDA)
Kang, Ui-Gum (National Institute of Crop Science, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.44, no.5, 2011 , pp. 853-858 More about this Journal
Abstract
The cultivation methods are important for determining crop yield of green manure. The effect of cultivation methods of green manure crops (GMC) on biomass and rice yield was investigated. This experiment was conducted at Sinheung series (fine loamy, mixed, nonacid, mesic family of Fluvaquentic Endoaquepts from Oct. 2007 to Oct. 2008 at the National Institute of Crop Science (NICS), RDA, Suwon, Gyeonggi province, Korea. Seven GMC (hairy vetch, barley, Chinese milk vetch, rye, crimson clover, oats, rattail fescue) were cultivated and incorporated on paddy soil by broadcasting before rice harvesting (BBRH) and partial tillage seeding (PTS). Among the three leguminous GMC, the biomass and N production were the highest at the hairy vetch of PTS. Among the four gramineae GMC, the biomass and N production tended to be higher in the rye of BBRH and barley of PTS. The C/N ratio (56.5~74.2) of rye was high compared with hairy vetch (14.1). Among the GMC, the incorporation of hairy vetch increased $NH_4$-N contents in rice paddy soil at 14 and 42 days after transplanting. These results showed that hairy vetch had no significant to rice yield compared with conventional fertilization. Therefore, hairy vetch seems to be the most efficient green manure crop as an alternatives to chemical N fertilizer in the central regions of Korea.
Keywords
Green manure crops; Biomass; Cultivation methods; Rice; Yield;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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