几百年前，南斯拉夫就制定了一项法律，规定每对新婚夫妇，必须先种植油橄榄树70株。日本鹿儿岛等一些地区也有新婚夫妇要植树的规定，树旁立碑写明姓名和婚期，植后50年方能砍伐，届时植树夫妇可举行结婚50周年庆祝活动。
Hundreds of years ago, Yugoslavia enacted a law stipulating that every newly married couple must first plant 70 olive trees. In some areas such as Kagoshima, Japan, there are also regulations for newlyweds to plant trees. Beside the trees, a monument is erected to indicate their name and marriage date. They can only be cut down 50 years after planting. At that time, the tree planting couple can hold a celebration of their 50th wedding anniversary.
印度尼西亚爪哇岛法令条文规定，第一次结婚要种树2棵，离婚的要种5棵；第二次结婚必须种树3棵，否则
According to the law of Java island in Indonesia, two trees shall be planted for the first marriage and five for the divorce; three trees shall be planted for the second marriage, otherwise
添车种树，在日本有一项特殊的规定，凡是私人增添一辆汽车，必须植一棵树。这是因为，每辆汽车每年要排出大量有毒的碳氢化合物，还要发出噪音，而树木则是天然的“消毒员”和“除音器”，所以必须种树。
There is a special rule in Japan that a tree must be planted when a private car is added. This is because every car emits a lot of toxic hydrocarbons and makes noise every year, while trees are natural "disinfectors" and "noise eliminators", so trees must be planted.www.zuihuowenan.com
添丁种树，在非洲坦桑尼亚的许多地方，有一种“添丁植树”的风俗，即谁家生了孩子，便把胎盘埋在门外的土地里，并在那里种上一棵树，表示希望孩子像树一样茁壮成长。
Tianding planted trees. In many parts of Tanzania, there is a custom of "Tianding planted trees". That is, whoever has a child will bury the placenta in the land outside the door, and plant a tree there, expressing the hope that the child will grow up like a tree.
家庭树，波兰的一些地方规定：凡是生了小孩子的家庭均要植树3株，称之为“家庭树”。
Family tree, some local regulations in Poland: all families who have children should plant three trees, which is called "family tree".
树木银行，为了防止建筑工程毁坏树木，日本开办了“树木银行”。凡施工单位，必须把清理场地挖出来的带根树木及时存入“树木银行”，在工程结束后，该单位必须及时把树木取出来栽上，以保持原有的绿化面积。
Tree bank, in order to prevent construction projects from damaging trees, Japan opened the "tree bank". All construction units must deposit the rooted trees dug out of the site into the "tree bank" in time. After the completion of the project, the units must take out the trees and plant them in time to maintain the original green area.
求爱树，在德国的波恩市，每年的植树季节，小伙子要送给姑娘一棵精心挑选的白桦树苗，亲手把它栽好，以表达爱慕之情，人们称之为“求爱树”。
Love tree. In Bonn City, Germany, in the tree planting season every year, the young man will give the girl a carefully selected birch seedling and plant it to express his love. People call it "love tree".