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Fig 1.

Bar chart 1.

Global share of leading agricultural technology advancements in 2022. Source: Statista 2023.

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Fig 1 Expand

Fig 2.

PRISMA flowchart for systematic reviews.

Source: Author’s data processing, 2024.

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Fig 2 Expand

Table 1.

Comparison data coding.

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Table 1 Expand

Fig 3.

Publication frequency by year.

Source: Author’s data processing, 2024.

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Fig 3 Expand

Table 2.

Characteristic of sample.

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Table 2 Expand

Table 3.

Conversion of r and N values to z,Vz and SEz values.

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Table 3 Expand

Table 4.

Cohen’s effect magnitude threshold.

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Table 4 Expand

Table 5.

Heterogeneity test.

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Table 5 Expand

Table 6.

Summary effect or mean effect size.

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Table 6 Expand

Fig 4.

Forest plot.

Source: Author’s data processing, 2024.

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Fig 4 Expand

Fig 5.

Funnel plot.

Source: Author’s data processing, 2024.

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Fig 5 Expand

Table 7.

Egger test and Fail-Safe N.

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Table 7 Expand

Fig 6.

p curve plot.

Source: Author’s data processing, 2024.

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Fig 6 Expand