壮秧是油菜高产的基础,但若苗期遇温高雨多,会使油菜秧苗猝倒、根肿病严重、易抽苔起节,难于育成壮秧。川西平原9月上中旬正是高温多雨的季节,而这时又恰是该区甘兰型油菜的适宜播期,怎样培育壮秧?笔者在整地、播种、管理上狠下功夫,效果不错。一、选地整地消毒精做苗床在秋季高温高湿条件下,宜选用肥沃、排水性能好的旱地、河坝、田坎或早玉米、早稻田做苗床。早耕炕地,及时翻耕细耙,以免久拖遇雨。深沟5尺开厢。厢坯做好后,亩用堆渣肥 Strong seedling rape is the basis of high yield, but if the seedling temperature and rain, will make rape seedling cataplexy, serious clubroot disease, easy to moss from the festival, difficult to breed strong seedling. The western Sichuan Plain in mid-September is the hot and rainy season, but this time is exactly the appropriate sowing of Brassica napus in the area, how to cultivate strong seedling? Author in the preparation, sowing, management, make great efforts, the effect is good. First, the selection of land preparation sterile bed seedbed in high temperature and humidity in autumn conditions, should use fertile, good drainage performance of dry land, dam, field ridge or early corn, rice field to do seedbed. Plow kang early, timely plow fine rake, in order to avoid prolonged rain. Deep groove 5 feet open box. After the carcasses are done, heaps of mu manure