Sources and Application Methods of Silicon for Rice in Acid Soil

IF 2.8 3区材料科学 Q3 CHEMISTRY, PHYSICAL

Silicon Pub Date : 2025-01-03 DOI:10.1007/s12633-024-03212-4

Palla Madhu Babu, Dwipendra Thakuria, Sabyasachi Majumdar, H. C. Kalita

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引用次数: 0

Abstract

Rice (Oryza sativa L.) is a key food grain crop in acid soil regions of the world. An economical and efficient nutrient application method should be developed for crops in acidic soil region. Use of Si as a source of beneficial nutrient is well known. Therefore, a pot experiment was planned with rice variety CAU-R1 to find out the effective combination of application method and source of Si. Three sources of Si viz. silicic acid (C1), calcium silicate (C2), and sodium meta silicate (C3), and five different application methods: (1) M1, seedling root-dipping (SRD) in soil: water slurry (applied @ 225 mg kg⁻¹ soil as silicic acid, calcium silicate and sodium meta silicate), (2) M2, foliar spray (1% Si) at the vegetative stage (FSV), (3) M3, foliar spray (1% Si) at the reproductive stage (FSR), (4) M4, foliar spray vegetative + foliar spray reproductive, and (5) M5, seedling root dip + foliar spray reproductive. Plant growth parameters, soil nutrient status and plant nutrient uptake were determined at 45 days after transplanting and harvesting stage. Results indicated that silicic acid as seedling root dip method with 225 mg Si kg⁻¹ soil and sodium meta silicate foliar spray vegetative stage and reproductive stage method with 1% Si was found to be the best performing. This study also highlighted that choice of silicon source and application method may lead to decrease the cost of production for transplanted rice cultivation.

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来源期刊

Silicon CHEMISTRY, PHYSICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.90

自引率

20.60%

发文量

685

审稿时长

>12 weeks

期刊介绍： The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.