지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.8
- 수록면
- 259 - 274 (16page)
이용수
초록· 키워드
오류제보하기
To get some informations for sustainable paddy use, the productivities of soils with two years of cropping systems were estimated through pot experiment using two pretreated groups of not autoclaved ‘natural’- and‘autoclaved’-soils without any fertilization. And then the relationship between the productivities, called yield potentials, and the characteristics of soils as affected by cropping systems, such as rice-rice (R-R), ricebarley-rice-barley (R-B-R-B), rice-barley-rice-wheat (R-B-R-W), soybean-barley-soybean-barley (S-B-S-B), of which barley and wheat were composted at a level of 10 MT ha<SUP>-1</SUP>, and S-B-S-B without compost, was analyzed. These treatments were established in mid-mountainous loam paddy, which contained exchangeable Ca of 11.8 cmol<SUB>c</SUB> kg<SUP>-1</SUP>, located at the altitude of 285 m above sea level in Sangju of Korea. Crops for the estimation of soil productivity were rice cv. ‘Seolemi’ and soybean cv. ‘Chamol’. As a result, under the natural soils condition, rice grain and straw were highly produced in composted S-B-S-B soils (p < 0.05) and lowly in R-R soils (p < 0.05). While soybean grain and stem were higher in R-R soils (p < 0.05) than other soils which not significantly different each other. In case of autoclaved soils, the yield potentials of rice and soybean were high together in either composted R-B-R-B/W or S-B-S-B soils compared to R-R and uncomposted S-B-S-B soils (p < 0.05). In especial, these yield potentials under the natural soils condition were commonly influenced by soil porosity showing negative correlation for rice (p < 0.01); positive for soybean (p < 0.05). And the porosity possibly reversed even the symbiotic contribution of indigenous Bradyrhizobium japonicum for soybean. Under autoclaved soils condition the potentials of rice and soybean showed negative correlations with soil C:N ratio (p < 0.05) similarly to the case of rice in the natural soils.
목차
ABSTRACT
Introduction
Materials and Methods
Results
Discussion
Conclusions
References
참고문헌 (60)
참고문헌 신청
AgSource. 2015. Soil phosphorus reactions. Available at: http://documents.crinet.com//AgSource-Cooperative-Services/ Agronomy/F-10957-15-v2Phos -Rxn-FS-GENERIC.pdf. Accessed in June 2017.
Ahn, S.B., T. Motomatsu, Y.S. Kim, K.S. Lee, and S.W. Hwang. 1992. Studies on rice productivity and mineral nutrients on the paddy-upland rotation system. Korean J. Soil Sci. Fert. 25:334-341.
Alves, B.J.R., L. Zotarelli, W.A.R. Lara-Cabezas, E. Torres, M. Hungria, S. Urquiaga, and R.M. Boddey. 2001. Benefit of legume-fixed N in crop rotations under zero-tillage. Nitrogen fixation: from molecules to crop productivity. pp. 533-534.
Bartlova, J., B. Badalikova, L. Pospisilova, E. Pokorny, and B. Sarapatka. 2015. Water stability of soil aggregates in different systems of tillage. Soil Water Res. 10:147-154.
Bunt, A.C. and Z.J. Kulwiec. 1970. The effect of container porosity on root environment and plant growth: I. Temperature. Plant Soil 32:65-80.
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