萝卜挖心是一项增产新技术,通过挖心,可抑制萝卜叶部生长,使营养集中到肉质根部,这样,萝卜单个就会成倍增长。具体做法是:10～11月,选择晴天,用尖刀插入心叶中央,将其生长点挖出即可。若挖出来的心叶不散,就证明已挖到生长点。一般6～7天伤口愈合后,就应追施速效肥,每亩用人畜粪尿20～30担,每担加尿素100克淋蔸,切忌将粪水淋到萝卜上,以防感病或腐烂。以后每15天用火土灰培蔸一次,并勤检查生长点的情况,若未挖干净,生长点仍发出了新叶,可再补挖一次。要始终保持原来的30～40片老叶,不让其再长 Radish digging is a stimulation of new technologies, by digging the heart, can inhibit the growth of radish leaves, so that nutrition concentrated to the fleshy roots, so that radishes will be doubled. Specific approach is: 10 ~ November, select the sunny, with a knife into the center of the heart, the growth point can dig out. If the dug out of the heart does not leave, it has proven to have dug growth point. Generally 6 to 7 days after wound healing, it should be topdressing quick-fat, manure excrement 20 ~ 30 farmers per mu, each Tam plus 100 grams of urea pouring, avoid throwing dung on radish to prevent flu or rot. After every 15 days with fire ash training once, and ground check the growing point of the situation, if not digging, the growth point is still issued a new leaf, can dig up again. Always keep the original 30 to 40 pieces of old leaves, let it longer