Effect of Saline Irrigation on Maize Productivity, Resource Use Efficiency and Soil Dynamics under Drip Fertigation System
Impact of saline drip irrigation on maize
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Authors
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Mrudhula Kancharla
ANGRAU - Saline Water Scheme, Bapatla, Andhra Pradesh, India
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Madhu Vani P
ANGRAU - Saline Water Scheme, Bapatla, Andhra Pradesh, India
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Prasuna Rani P
ANGRAU - Agricultural College, Bapatla, Andhra Pradesh, India
Keywords:
saline waterAbstract
A field investigation was carried out during the Rabi seasons with the primary objective to assess the influence of saline irrigation water on maize performance, specifically focusing on yield, water and nutrient use efficiency, and soil nutrient availability under drip fertigation conditions. The experimental layout comprised eight distinct treatments with four replications, structured using a randomized block design. Maximum grain and stover yield, along with the highest nutrient uptake, were observed under irrigation with high-quality water combined with the recommended fertilizer dose. These results were statistically comparable to those obtained from alternating fresh water and saline water with an electrical conductivity (EC) of 4 dS m-1. Soil pH remained stable across treatments, while the highest soil EC was recorded under continuous saline water irrigation (4 dS m-1) without fertilizer application. Conversely, the lowest nutrient uptake, nutrient use efficiency, and soil nutrient availability were noted under saline irrigation without fertilization. The strategic alternation of fresh and saline water proved effective in mitigating the detrimental effects of salinity, thereby enhancing nutrient utilization efficiency and improving the bioavailability of nutrients in the soil.
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Journal of Soil Salinity and Water Quality serves as an official organ of the Indian Society of Soil Salinity and Water Quality (ISSSWQ) for the publication of research papers, reviews, and short communications as per the constitution and by-laws of the society. Soft and hard copy of the journal are sent free to all its members. All disputes are subject to the exclusive jurisdiction of competent court and forums in Kamal only. The society does not assume any responsibility for opinion by the authors in the articles and no-material in any form can be reproduced without the prior permission of the society. The society is not responsible for any delay, whatsoever, in publication/ delivery of the periodicals to the subscribers due to unforeseen circumstances or postal delay. The society does not vouch for any claims made by the advertisers of products and services. The publisher and the editors shall not be held liable for any consequences in the event of such claim not being honoured by the advertisers.
