在其他的气候条件下把每年落叶的蔓藤植物或树木用在房子北面，落叶性的植物或常青树木用在东面和西面。
For all other climates use deciduous vines or trees to the north, and deciduous or evergreen trees to the east and west.
在植物中，落叶和开花是对日长季节性改变的普遍反应。
In plants, leaf fall and flowering are common responses to seasonal changes in day length.
落叶性果树的果实或多或少容易腐烂，在运输和销售方法上都很需要改进。
Much needs to be done in improving transportation and marketing systems for deciduous fruit, all of which are more or less perishable.
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