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Pages 23-24

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From page 23...
... Culture of Stone Fruits and Grapes in Central Chile 22 The production of stone fruits and grapes is of great importance to the whole economy of Chile. The major problem is spring frosts during the blooming period.
From page 24...
... 23 HEAT TOLERANCE Summary of Program Heat tolerance is an important factor in worldwide crop production, both in the tropical plains and, during the summer in subtropical regions. Many of these areas are suitable for large-scale mechanized agriculture but so far are not being used to their fullest potential, partly because of lack of heat-tolerant varieties of crop plants.

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