สืบค้นงานวิจัย
Immobilization of Cadmium in Contaminated Soil Using Organic Amendments and Its Effects on Rice Growth Performance
Saengwilai P. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Immobilization of Cadmium in Contaminated Soil Using Organic Amendments and Its Effects on Rice Growth Performance
ผู้แต่ง / หัวหน้าโครงการ (EN): Saengwilai P.
บทคัดย่อ (EN): Cadmium (Cd) contamination of rice is a serious public health concern in certain parts of the world. Amendment application based on local organic materials (e.g., manures, compost) is considered effective for reducing plant-available Cd in soil. In this study, two Thai rice (Oryza sativa L) varieties, Chorati and Mali Daeng, were grown in Cd-contaminated soil amended with cow manure, pig manure, organic fertilizer, and leonardite in a mesocosm system. Organic amendment treatments reduced Cd availability in soil. Specific effects of amendments were a function of amendment type and rice variety. Cow manure and leonardite substantially increased growth of the Mali Daeng variety in Cd-contaminated soils; however, there was no significant effect on total biomass of Chorati. Leonardite significantly enhanced grain production of Chorati (12.2 g plant−1) and reduced Cd content in rice grain to 0.14 mg kg−1 which is considered safe for consumption. Leonardite increased CEC in contaminated soil which helped reduce Cd bioavailability to plants. Both rice varieties had ‘excluder potential,’ as they accumulated Cd primarily in roots with translocation factor (TF) values < 1. Root anatomical analysis revealed that leonardite and pig manure treatments increased metaxylem vessel area, which could result in the enhancement of TF in the Chorati variety. However, any increase in TF was not associated with Cd content in rice grains. Our findings indicate that organic amendments immobilized Cd in soil and enhanced rice growth and production while reducing Cd content in rice grain. We emphasize here that the selection of cultivars and amendments plays a key role in the success of low-Cd rice production. © 2019, Springer Nature B.V.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85066601276&doi=10.1007%2fs12403-019-00312-0&partnerID=40&md5=06a2f47da39c3eca3b3edde8205c6986
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Rice seeds
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Saengwilai P.. "Immobilization of Cadmium in Contaminated Soil Using Organic Amendments and Its Effects on Rice Growth Performance". ไม่ระบุหน่วยงาน. ม.ป.ป.

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Immobilization of Cadmium in Contaminated Soil Using Organic Amendments and Its Effects on Rice Growth Performance
Saengwilai P.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Influence of amendments on Cd and Zn uptake and accumulation in rice (Oryza sativa L.) in contaminated soil Response of cadmium accumulation in rice (Oryza sativa L. cv. SPR1) grown with different organic soil amendments Organic and chemical fertilizers have varied effects on tomato growth in a sandy soil Effects of Amendments on Growth and Uptake of Cd and Zn by Wetland Plants, Typha angustifolia and Colocasia esculenta from Contaminated Sediments Enhanced cadmium (Cd) phytoextraction from contaminated soil using Cd-resistant bacterium Evaluation of Organic and Inorganic Amendments on Maize Growth and Uptake of Cd and Zn from Contaminated Paddy Soils Soil amendments for cadmium phytostabilization by five marigold cultivars Improvement of cadmium phytoremediation after soil inoculation with a cadmium-resistant Micrococcus sp. Traditional Chinese medicine prescriptions enhance growth performance of heat stressed beef cattle by relieving heat stress responses and increasing apparent nutrient digestibility Effect of Plant Growth Regulators on Phytoremediation of Hexachlorocyclohexane-Contaminated Soil
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