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What meteorological factors does jujube tree growth require?

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Germination stage: when the daily average temperature reaches 13--14°C, germination begins; at 17°C, leaves unfold. Flowering stage: when the daily average temperature reaches 19--20°C, flower buds appear, and at 20--22°C flowering begins. During full bloom, the optimal temperature is 22--27°C and the relative humidity is 60%--70%. A relative humidity below 25% will cause a large amount of "scorched flowers" and young fruit drop. Fruit ripening stage: the optimal temperature for fruit development is 25--27°C, with relative humidity around 75%. Optimal temperature during the fruit ripening stage 1

Germination stage: when the daily average temperature reaches 13--14°C, germination begins; at 17°C, leaves unfold. Flowering stage: when the daily average temperature reaches 19--20°C, flower buds appear, and at 20--22°C flowering begins. During full bloom, the optimal temperature is 22--27°C and the relative humidity is 60%--70%. A relative humidity below 25% will cause a large amount of "scorched flowers" and young fruit drop.

Fruit ripening stage: the optimal temperature for fruit development is 25--27°C, with relative humidity around 75%. The optimal temperature during the fruit ripening stage is 18--22°C, with 410 sunshine hours.

Whole growth period: accumulated temperature above 3000°C, frost-free period greater than 130 days, annual precipitation 400--~700mm.

Leaf-fall stage: leaf drop begins when the temperature drops to 15°C.

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