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논문 기본 정보

자료유형
학술대회자료
저자정보
(CER AR, UniSA, CER AR, CRC-CARE , Australia) (University of South Australia) (University of South Australia) (University of South Australia) (University of South Australia) (University of South Australia)
저널정보
한국토양비료학회 한국토양비료학회 학술발표회 초록집 20th WORLD CONGRESS OF SOIL SCIENCE
발행연도
수록면
401 - 401 (1page)

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초록· 키워드

Rhizosphere region and the characteristics of roots play a vital role in plant growth and development, through water intake and nutrient uptake. Assessment of above ground changes in plant growth and biomass yields are commonly measured parameters, whereas knowledge on phenotypic characters of the plant in soil is limited. The examination of root characteristics will elucidate the effects of abattoir wastewater irrigation on the plant root phenotype. This paper will focus on plant root phenotype of two different species (Pennisetum purpureum and Medicago sativa) grown on soils irrigated separately with abattoir wastewater and tap water. The overall objective is to measure the proportion of above and below ground changes of plants grown in soils irrigated with wastewater. The soil used in this study was calcareous and was fertile due to wastewater irrigation; with Total nitrogen (N) concentration at 2080 mg/kg, Total phosphorus (P) concentration up to 489 mg/kg and Potassium (K) concentration was up to 4081 mg/kg. In this study, Pennisetum purpureum and Medicago sativa were tested. The roots of the plants were harvested at the same time of shoot harvest by destructive harvest method, after 120 days of sowing. The plants were grown in a controlled environment and treated with wastewater and tap water. The root images were scanned after soaking the roots in water overnight and washed carefully to achieve zero soil particles on root surface. This is a prime step in root analysis, because the presence of soil particles can cause error in the root analysis. These scanned root images were pre-processed by RGB (Red, Green, and Blue) ... 전체 초록 보기
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