人人皆知,“树怕剥皮”。可见树皮对树木的生命活动是何等重要! 通常认为树木经剥皮后,由于切断了向下运输叶片合成的有机物之通道(筛管),会引起根部饥饿而使树木死亡。但是,“树怕剥皮”并不是绝对的。五十多年前,辽宁省本溪县一位农民,在其所租的土地上有棵老梨树,既挡住了阳光,又大量吸收水肥,影响了庄稼的生长。这位农民就悄悄剥去梨树的树皮,想让梨树死去。结果树不仅没死,反而在当年生了新皮,第二年结了更多的梨。随后,这位农民的孙子,又在其 Everyone knows, “afraid of skin peeling tree.” We can see how important the bark is to the life of the tree! It is generally thought that after the tree has been peeled off, it will cause the roots to be starved and the trees to die due to the cutting off of the pathways (screen tubes) of organics that are transported from the blades downwards. However, “tree fear peeling” is not absolute. More than 50 years ago, a peasant in Benxi County, Liaoning Province, had an old pear tree on the land it rented, blocking the sun and absorbing a large amount of water and fertilizer, affecting the growth of crops. The peasant quietly peel the bark of the pear tree, want pear tree died. Not only did the tree not die, instead, a new skin was born in that year and the second year ended with more pears. Later, the farmer’s grandson, again