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Need to Improve crop yields

RELATED ARTICLESExplain
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Agriculture, food and land use
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Global land use
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Increasing land productivity
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Need to Improve crop yields
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Ways to increase land productivity
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Constraints on land productivity
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70% of world's land is only 1/4 – 1/3 as productive as it could be
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Pressure to reduce the land used for food
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