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ORIGINAL RESEARCH article

Front. Agron.
Sec. Plant-Soil Interactions
Volume 6 - 2024 | doi: 10.3389/fagro.2024.1492505

Cut-soiler constructed residue filled Preferential Shallow Sub-surface Drainage improve the performance of mustard -pearl millet cropping system in saline soils of semi-arid region

Provisionally accepted
Neha . Neha . 1Gajender Yadav Gajender Yadav 2*Rajender K. Yadav Rajender K. Yadav 2Ashwani Kumar Ashwani Kumar 2Arvind K. Rai Arvind K. Rai 2Govind Prasad Govind Prasad 2Satyendra Kumar Satyendra Kumar 2Bhaskar Narjary Bhaskar Narjary 2Junya Onishi Junya Onishi 1Keisuke Omori Keisuke Omori 1Suresh K. Chaudhari Suresh K. Chaudhari 3
  • 1 Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, Japan
  • 2 Central Soil Salinity Research Institute (ICAR), Karnāl, India
  • 3 Indian Council of Agricultural Research (ICAR), New Delhi, Delhi, India

The final, formatted version of the article will be published soon.

    The agricultural productivity in semi-arid region is constrained by soil and groundwater salinity. This study quantified the desalinization potential of Cut-soiler constructed Preferential Shallow Subsurface Drainage (PSSD) and its impact on crop performance in saline agro-ecologies. The study was conducted at ICAR-Central Soil Salinity Research Institute, Karnal (India) during 2019-21. The rice residue filled PSSD was simulated manually (60 cm depth) in split-spilt plot experiment with saline and normal soil under saline water irrigation (4, 8, and 12 dS m -1 ). Cut-soiler PSSD were constructed in the middle of lysimeter using rice residue (equivalent to 6 Mg ha -1 ) as filling material with an outlet to quantify salt and water outflow. Pearl millet [Pennisetum glaucum L. (R. Br)] variety HHB-197 and mustard (Brassica juncea L.) variety CS-58 were grown in rainy (Kharif) and winter (Rabi) seasons, respectively. The soil profile salinity declined by 23.3-58.5% by Cut-soiler PSSD in different soils. The decline in salinity was associated with increased plant height, DMA (Dry Matter Accumulation), NAR (Net Assimilation Rate), CGR (Crop Growth Rate), RGR (Relative Growth Rate), LA (Leaf Area) and LAI (Leaf Area Index) in both crops. The pearl millet and mustard yield increments in two soil types were 11.6-43.3% and 26-36%, respectively using saline water up to 12 dS m -1 . This study concludes that the Cut-soiler PSSD can be effective option for mitigating salinity stress and utilization of saline water at farm scale in salt-affected semi-arid agro-eco-regions.

    Keywords: Cut-soiler PSSD 1, salinity 2, Drainage 3, Pearl millet [Pennisetum glaucum (L.)] 4, Mustard [Brassica juncea (L

    Received: 07 Sep 2024; Accepted: 08 Nov 2024.

    Copyright: © 2024 ., Yadav, Yadav, Kumar, Rai, Prasad, Kumar, Narjary, Onishi, Omori and Chaudhari. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Gajender Yadav, Central Soil Salinity Research Institute (ICAR), Karnāl, India

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