학술논문
Effect of bio-char application combined with straw residue mulching on soil soluble nutrient loss in sloping arable land
이용수 5
- 영문명
- 발행기관
- 한국탄소학회
- 저자명
- Chiming Gu Fang Chen Ibrahim Mohamed Margot Brooks Zhiguo Li
- 간행물 정보
- 『Carbon Letters』 제26권, 66~73쪽, 전체 8쪽
- 주제분류
- 자연과학 > 자연과학일반
- 파일형태
- 발행일자
- 2018.04.30
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국문 초록
영문 초록
We assessed the effects of combining bio-char with straw residue mulching on the loss of soil soluble nutrients and citrus yield in sloping land. The two-year study showed that straw residue mulching (ST) and bio-char application combined with straw residue (ST+BC) can significantly reduce soil soluble nutrient loss when compared with the control treatment (CK). The comparative volume of the soil surface runoff after each of the treatments was as follows: CK > ST > ST + BC. Compared with the CK, the runoff volume of the ST was reduced by 13.6 % and 8.5 % in 2014 and 2015, respectively. Compared with the CK, combining bio-char with the ST application reduced the loss of soluble nitrogen and improved the soil total nitrogen content reaching a significant level in 2015. It dramatically increased the soil organic matter content over the two year period (36.3% in 2014, 50.6% in 2015) as well as the carbon/nitrogen ratio (C/N) (16.6% in 2014 and 39.3% in 2015). Straw mulching combined with bio-char showed a trend for increasing the citrus yield.
목차
1. Introduction
2 Materials and methods
3. Results and Discussion
4 Conclusion
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