Что такое сумма активных температур? Как вычисляют этот показатель?

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Что такое сумма активных температур? Как вычисляют этот показатель?
Для нормального роста и развития растения должны быть обеспечены суммой активных температур.

Этот показатель исчисляют как сумму среднесуточных температур воздуха за период с устойчивой температурой выше +10 ° С для теплолюбивых культур и +5 ° С для холодостойких.

Источник: supersadovod.ru

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