Basal Application of Zinc to Improve Mung Bean Yield and Zinc-Grains Biofortfication |
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| Authors: | Aroosa Kanwal Muhammad Bismillah Khan Mubshar Hussain Muhammad Naeem Muhammad Shahid Rizwan Muhammad Zafar-ul-Hye |
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| Affiliation: | 1 Department of Agronomy, Bahauddin Zakariya University, Multan, 66000, Pakistan2 Agriculture Discipline, College of Science Health, Engineering and Education, Murdoch University, Murdoch, WA, 6150, Australia3 Cholistan Institute of Desert Studies, The Islamia University of Bahawalpur, 63100, Pakistan4 Department of Soil Science, Bahauddin Zakariya University, Multan, 66000, Pakistan |
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| Abstract: | Worldwide, the dietary deficiency of zinc (Zn) is prevailing in almost all arid and semi-arid regions. Zinc deficiency is not only the major constraint of lower yield, but also dietary Zn deficiency in cereals grains may cause increasing malnutrition and chronic health problems in human. Exogenous application of Zn through basal soil nutrition might be a useful option to recover Zn deficiency in mung bean. Therefore, field study was conducted to optimize the optimum level and method of Zn nutrition to enhance crop yield and Znbiofortification of mung bean through basal application. Zinc was applied at 0, 5, 10 and 15 kg/ha as basal application and side dressing, and in combination (50% basal application + 50% side dressing). The results highlighted that Zn nutrition prominently improved the mung bean yield as compared with control (no Znapplied). The maximum grains yield and Zn concentration in grains wereobtained where Zn was applied at 15 kg/ha as basal application as compared with all other combinations. Better improvement in grain yield was due to significant increase in more number of pods and grain size owing to welldeveloped root system, improved leaf area index and high chlorophyll contentsin mung beans leaves. Amongst all applied Zn nutrition’s the basal application of Zn (15 kg/ha) was a viable option to get higher yield and Zn biofortification of mung bean. |
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| Keywords: | Mung bean zinc biofortification basal application soil dressing |
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