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SCIENCEDOMAIN International, International Journal of Plant and Soil Science, p. 121-135, 2021

DOI: 10.9734/ijpss/2021/v33i2430760

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Using Zeolite and Vermicompost Amendments to Improve Water Productivity of Wheat Irrigated by Low-quality Water in the Northern Nile Delta

Journal article published in 2021 by T. H. H. Khalifa, M. S. A. Ramadan, Mona S. M. Eid
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Aims: In the long run, reusing low-quality water in Egypt's agricultural sector directly or after mixing with fresh water to compensate for water supply constraints can be hazardous to plants and soil. As a result, some appropriate management must be considered. For this reason, a field experiment was implemented in winter seasons 2018/2019 and 2019/2020 at Sakha Agric. Res. Station Farm, Kafr El-Sheikh Gov., Egypt. This study aims to assess the impacts of zeolite and vermicompost as well their combinations on alleviation of low-quality water impacts on physicochemical properties of clayey soil and wheat productivity. Study Design: complete randomized block design with three replicates. Results: The application of 2.40 Mg Z ha-1 was found to be the most effective on soil properties and plant growth. This treatment reduced soil EC, Na+, Ca2+, Mg2+, Cl-, SO42-, and ESP values the most (52.90 percent, 83.21 percent, 30.43 percent, 6.04 percent, 91.82 percent, 19.83 percent, and 70.73 percent, respectively), while increasing the K+ value by 32.47 percent. It also achieved the highest increases in plant height, 1000-grain weight, grain, and straw yields (35.92%, 9.60%, 42.77%, and 25.61%, respectively) when compared to untreated soil. With 2.40 Mg VC ha-1, the greatest changes in bulk density, total porosity, and CEC (-9.23, 9.30, and 10.54 percent, respectively) were obtained. The applications of 1.80 Mg Z with 0.6 Mg VC ha-1 and 0.6 Mg Z ha-1 with 1.80 Mg VC ha-1, on the other hand, resulted in the greatest increases in soil moisture content, drainable pores (DP), and water holding pores (WHP). Furthermore, 0.6 Mg Z combined with 1.80 Mg VC ha-1 significantly increased the available N, P, and K in the soil. The addition of 2.4 tons Z/ha increased the WP and resulted in a high economically appealing wheat. Conclusion: It could be concluded that the application of Z and VC is a new strategy for alleviating abiotic stress and improving wheat growth. Z application was more effective than VC on improving soil physicochemical properties and improving the water productivity and achieve high economical attractiveness wheat irrigated by low-quality water.

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