Rural common saying is earning of working people experience, colloquial according to legend up to now.
About at " the tree is not planted before the room, the flower is not planted after house " because have what contraindication,the view is not, decide by the habit building a house of people however.The country builds a room to be paid attention to from fast ancient sit south the Northern Dynasties, the reason that has this habit is: Lie because of the situation of our country the Northern Hemisphere, sun Dong Shengxi falls.
In the winter when, sun elevation angle is lesser, if south face of the door of the house, window, can make the sun light of more oblique fire is illuminated indoor, can raise indoor temperature greatly, also make inside house can light is very much. Unapt shade undercurrent is wet.
And in the summer, sun elevation angle increases, the light that the sun shoots from the door, window is opposite little, can keep indoor thereby have stated cool idea. Warming oneself and enjoy the cool, and illume is inferior to advanced now ancient time, this kind of house faces towards dispute often is necessary.
Sit the house south the Northern Dynasties, if be before the house grow is arboreous, grow taller more as tree, give the light of door window very easily obscured. Such, summer is not bad, but arrived in the winter, sunshine by keep out outer, room internal cause is cannot illuminate arrives sunshine, and ventilated bad also, meet aggravate is gloomy and cold and damp. Had so " the tree is not planted before the room " experience.
And sit if the house south the Northern Dynasties plants a flower after house, very easy by house keep out the light. And most flowers belongs to plant happy light, and grow to need photosynthesis, did not have sunshine, the way corp is growing is met bad, survive very hard. As time passes, had " the flower is not planted after house " say.
Want to say the country grows a tree to have what contraindication really, have really such sentence common saying " before do not grow mulberry, willow is not grown after, do not grow ghost clap when the courtyard " .Roughly meaning that is to say " mulberry " and " funeral " sound is close, plant before house mulberry can have be unluckyfeel disheartened to enter room, feel ominous. Can not wish to be grown before the room so mulberry.
"Willow is not grown after " carelessness is telling willow is not seedy, plant after house Liu Hao comparing is never to be seen again. And " willow " and " smooth " sound is close, grew willow meeting to let money enrage luck to escape. So farmer family also is fond of kind.
"Ghost clap " it is poplar, the meeting when poplar leaf is blown by wind clang the ground is noisy, sound in silent late night seem " ghost " clap, very fearsome. Have so " do not grow ghost clap when the courtyard " say.
Of course, this kind of contraindication does not have scientific basis, because archaic science is backward,no more than is, the knowledge with substaintial to the thing people is not quite deep, guess with respect to what had and so on of ghosts and gods so. At this late hour, we should be acted on beg true attitude, the look upon of card of science, differentiate these common saying.