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油菜是我国最重要的油料作物之一,常年种植面积和总产均居世界首位。少耕、免耕等轻简型栽培技术是农业部近年来重点主推技术之一,也是近几年长江上游油菜优势生产区的主推技术,是一项节本增效的栽培方式。1选用良种,集中连片选用通过国家级、省级审定的高产、高油、多抗、优质的双低油菜品种,在保证品种多样性以提高突发灾害的防御能力前提下避免品种多、乱、杂现象发生。在耕地质量和生产条件较好的田块上,按照区域化布局,
Rape is one of the most important oil crops in China, and the perennial planting area and total output rank first in the world. Light and compact cultivation techniques such as less tillage and no tillage are one of the key push technologies by the Ministry of Agriculture in recent years and are also the main push technology in the superior production area of rape in the upper reaches of the Yangtze River in recent years. 1 Selection of elite varieties, concentrated contiguous selection through the national and provincial-accredited high-yield, high oil, multi-resistant, high-quality double-low rapeseed varieties in ensuring species diversity in order to improve the defense ability of sudden disasters to avoid more varieties, Random, miscellaneous phenomenon occurs. In the field of arable land quality and production conditions better, in accordance with the layout of the region,