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江苏省启东市是全国油菜生产高产地区之一,种植面积大、产量高、产值高,常年全市平均单产已经达到200 kg以上,当前,阻碍启东市油菜产量再上一个新台阶的主要原因就是油菜壮苗培育问题。从2010年秋播开始,进行较大面积的试验、示范、推广,开始从四个方面着手,改革传统油菜育苗方法:精量稀育,减少用种量;改耕翻苗床为硬底育苗;因地制宜,提倡适期播种;创新化控技术。新方法彻底解决了油菜秧苗高脚、弯曲、细长和移栽时醒棵慢的问题。在省工节本的前提下,真正达到油菜秧苗根系发达,根颈粗短,菜苗矮壮,叶色深绿,无病虫害,移栽时苗龄在35d左右,苗高6寸,绿叶数6片,根颈粗0.6 cm左右的壮苗标准。
Qidong City, Jiangsu Province, is one of the high yielding areas for rapeseed production in China with large planting area, high output and high output value. The average annual output of the whole city has reached over 200 kg. At present, the main reason that hinder the production of rapeseed in Qidong City to a new level is that rape Strong seedling cultivation problems. Starting from the autumn 2010 broadcast, a large area of trial, demonstration, promotion, start from four aspects, the reform of traditional rapeseed breeding methods: precision sparse breeding, reduce the use of seedlings; , To promote proper sowing; innovative control technology. The new method completely solved the rape seedling height, bending, slender and awake when transplanted trees slow problem. Under the premise of saving labor cost, the root system of rapeseed seedlings is really developed, the root neck is short and stubble, the seedling is short and strong, the leaf color is dark green and no pests and diseases. When transplanting, the seedling age is about 35 days, the seedling height is 6 inches and the number of green leaves is 6 Film, root neck coarse 0.6 cm thick seedling standards.