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Chemical and Biological Technologies in Agriculture
Fig. 6 | Chemical and Biological Technologies in Agriculture

Fig. 6

From: Nano-zinc and plant growth-promoting bacteria is a sustainable alternative for improving productivity and agronomic biofortification of common bean

Fig. 6

Zinc (Zn) use efficiency (A, B), applied Zn recovery (C, D), and utilisation efficiency (E, F) in 2019 and 2020 common bean cropping seasons, respectively, as a function of foliar nano-Zn application and co-inoculations of plant growth-promoting bacteria. The upper case letters are used for the interactions of PGPBs inoculations within each dose of foliar nano-Zn application, whereas lower case letters are used for the interaction of foliar nano-Zn doses within each inoculation treatment. The identical alphabetic letters are statistically similar with each other as analyzed by Tukey test for foliar Zn doses (p < 0.05) and Scott–Knott test for PGPBs inoculations (p < 0.05) in 2019 and 2020, respectively. Error bars indicate standard error of the means (n = 4 replicates)

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