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Co-application of Organic Manure and Bio-fertilizer to Improve Soil Fertility and Production of Quinoa and Proceeding Jew’s Mallow Crops

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Abstract

Organic manure and bio-fertilizers are a vital source of plant nutrients during the plant growth period, which leads to increased yield. This field investigation was carried out through two cropping (2017–2018/2018–2019) seasons to study the effects of using farmyard manure (FYM) and bio-fertilizers as “(TS) and (EM)” on soil fertility and productivity of both quinoa and Jew’s mallow plants. The experiment was laid in a randomized complete block design with three replications in the strip plot arrangement. The experimental treatments include (1) inorganic fertilization (NPK) as a control treatment, (2) NPK with TS bio-fertilizer, (3) NPK with EM bio-fertilizer, (4) FYM (24 t ha−1), (5) FYM with TS bio-fertilizer, and (6) FYM with EM bio-fertilizer. Generally, the application of FYM with bio-fertilizers treatments increased the soil organic carbon and relatively reduced the soil pH. The interestingly, all-tested soil characteristics as well as productivity of quinoa crops performed better when FYM and bio-fertilizers were used in fertilization compared to inorganic fertilizer treatment. The highest improvement in seed quinoa yield was 15.22 and 15.26 t ha−1, oil content was 9.76 and10.72% during two growing seasons, and were achieved when FYM and bio-fertilizers were used. Furthermore, the residual effect persisted to the effect that productivity of Jew’s mallow plants in the two subsequent growing seasons were improved. Also, economic evaluation presented that productivity was increased by the application of FYM and bio-fertilizers treatments. Finally, FYM with EM bio-fertilizer treatment had the greatest enhancement in all measured parameters relative to the control. This will lead to a reduction in the use of chemical fertilizers in agriculture.

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Source: Central Laboratory for Agricultural Climate, Giza, Egypt

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Acknowledgements

Thanks to all field technicians at Faculty of Agriculture, Al-Azhar University branch Assiut, Egypt and Ass. Prof. Mamdouh A. Eissa—Assistant professor of Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut, Egypt, 71526, (mamdouhessa@gmail.com) for her critical reading and revision of this research article.

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Youssef, M.A., Farag, M.I.H. Co-application of Organic Manure and Bio-fertilizer to Improve Soil Fertility and Production of Quinoa and Proceeding Jew’s Mallow Crops. J Soil Sci Plant Nutr 21, 2472–2488 (2021). https://doi.org/10.1007/s42729-021-00538-5

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