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
- 2016.6
- 수록면
- 265 - 270 (6page)
이용수
초록· 키워드
오류제보하기
Accumulated Phosphate can be released by ligand exchange reaction of organic acids. The objective of this study was to evaluate effects of the organic acids on the availability of phosphate and the growth of crop in phosphate and salts accumulated soil. Soil samples were collected from farmer’s plastic film house. Available phosphate and electrical conductivity of soil were 3,005 mg kg<SUP>-1</SUP> and 16.63 dS m<SUP>-1</SUP> which were 6 and 8 times higher than the optimum range of soil for crop growth, respectively. Corns were cultivated in pots for 2 months. Treatments were no treatment (control), phosphate fertilizer (P), citric acid (CA) 1, 5, 10 mM, and oxalic acid (OA) 1, 5, 10 mM. Water soluble phosphorus, available phosphate, corn growth and uptake were determined after cultivation. Results showed that organic acids increased water soluble phosphorus and available phosphate. For the level of 10 mM, the order of effectiveness of organic acids for water soluble P was citric acid (44%) > oxalic acid (32%). Height and dry weight of corns were increased significantly by the treatment of citric acid 1 and 5 mM. Also, corn absorbed more phosphorus, nitrogen, potassium, calcium and magnesium in the treatment of citric acid 1 mM than these of other treatments. Even though phosphate availability of soil was enhanced by addition of citric acid 10 mM, the growth of corns decreased because high concentration of citric acid caused salt damage by increasement of electrical conductivity. Thus, the citric acid of 1 mM has the potential to improve the availability of phosphate and the healthy growth of corns.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (28)
참고문헌 신청
[학술지(정기간행물)] - Bolan, N.S. / 1994 / Influence of low-molecular-weight organic acids on the solubilisation of phosphates / Biol. Fertil. Soils 180 : 311 ~ 319
[학술지(정기간행물)] - Earl, K.D. / 1979 / Origin of citrate, tartrate, and acetate on phosphate sorption by soils and synthetic gels / Soil Sci. Soc. Am. J 43 : 674 ~ 678
[학술지(정기간행물)] - Haynes, R.J. / 2001 / Amelioration of Al toxicity and P deficiency in acid soils by additions of organic residues: a cirtical review of the phenomenon and the mechanisms involved / Nutr. Cycl. Agroecosys 59 : 47 ~ 63
[학술지(정기간행물)] - Hsu, T.C. / 1964 / Mammalian Chromosomes in vitro. 18. DNA replication in the Chinese hamster / J. Cell Biol 25 : 53 ~ 62
[학술지(정기간행물)] - Hu, H.Q. / 2001 / Effect of several organic acids on phosphate adsorption by variable charge soils of central China / Environ. Inter 26 : 353 ~ 358
[학술지(정기간행물)] - Earl, K.D. / 1979 / Origin of citrate, tartrate, and acetate on phosphate sorption by soils and synthetic gels / Soil Sci. Soc. Am. J 43 : 674 ~ 678
[학술지(정기간행물)] - Haynes, R.J. / 2001 / Amelioration of Al toxicity and P deficiency in acid soils by additions of organic residues: a cirtical review of the phenomenon and the mechanisms involved / Nutr. Cycl. Agroecosys 59 : 47 ~ 63
[학술지(정기간행물)] - Hsu, T.C. / 1964 / Mammalian Chromosomes in vitro. 18. DNA replication in the Chinese hamster / J. Cell Biol 25 : 53 ~ 62
[학술지(정기간행물)] - Hu, H.Q. / 2001 / Effect of several organic acids on phosphate adsorption by variable charge soils of central China / Environ. Inter 26 : 353 ~ 358
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UCI(KEPA) : I410-ECN-0101-2017-523-000850470