Influence of coir pith application on soil moisture distribution with different irrigation regimes of aerobic rice (Oryza sativa) cultivation under trickle irrigation system

Q4 Agricultural and Biological Sciences

Indian Journal of Agronomy Pub Date : 2024-05-05 DOI:10.59797/ija.v69i1.5478

Anbarasu Mariyappillai, G. Arumugam, Swaminathan Chitraputhira Pillai

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Abstract

An experiment was conducted during the summers of 2019 and 2020 at the AICRP Water Management field, Tamil Nadu Agricultural University, Madurai, Tamil Nadu to study the effect of coir pith application on soil moisture distribution of aerobic rice (Oryza sativa L.) with different irrigation regimes. Treatment consisted of 3 irrigation regimes, viz. I1 , Trickle irrigation at 120% Pan Evaporation (PE); I2 , 100% PE, and I3 , 80% PE. Experiment separately, maintained the surface irrigation of IW: CPE 1.20 as control. The well-composed coir pith @375 kg/ha was spread over the raised beds and leveled well with surface soil. Soil samples were collected in vertical and horizontal directions for determining soil moisture by gravimetric method. Soil moisture appropriation was plotted graphically as contour maps used by the surfer. Results revealed that trickle irrigation at 120% PE with coir pith application improved the yield attributes of aerobic rice compared to surface irrigation (IW: CPE 1.20) owing to coir pith’s favourable hydrological and physical properties to hold and spread the water in the raised bed area.

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涓流灌溉系统下好氧水稻（Oryza sativa）不同灌溉制度下椰壳纤维对土壤水分分布的影响

2019 年和 2020 年夏季，在泰米尔纳德邦马杜赖的泰米尔纳德邦农业大学 AICRP 水管理领域进行了一项实验，以研究不同灌溉制度下椰糠髓粉施用对好氧水稻（Oryza sativa L.）土壤水分分布的影响。处理包括 3 种灌溉制度，即 I1，120% 泛蒸发量（PE）的涓流灌溉；I2，100% PE；I3，80% PE。另外，试验还保持了 IW: CPE 1.20 的地表灌溉作为对照。将每公顷 375 千克的混合好的椰壳纤维铺在高床上，并与表层土壤整平。从垂直和水平方向采集土壤样本，用重量法测定土壤湿度。土壤水分占有量被绘制成冲浪者使用的等高线图。结果表明，与地面灌溉（IW：CPE 1.20）相比，施用 120% PE 的涓流灌溉和椰壳纤维可提高有氧水稻的产量属性，这是因为椰壳纤维具有良好的水文和物理特性，可在高床区域保持和扩散水分。

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来源期刊

Indian Journal of Agronomy Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.50

自引率

0.00%

发文量

期刊介绍： Indian Journal of Agronomy welcomes concise articles presenting original research data based on field experiments on all aspects of agronomy in different crops and related cropping systems. • The journal publishes only full length comprehensive articles based on new approaches/findings in English only. • Review articles are also considered but these are normally solicited by Editorial Board. However, the authors who wish to contribute a review on their own based on their standing in the relevant field may contact the Secretary or Chief Editor with a broad outline before submitting the manuscript.