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近年来,姜堰市油菜生产连获丰收,1997年亩产达151kg。其中一条最基本经验就是狠抓冬季田间管理,增强油菜抗逆能力,有效地减轻油菜的冻害,并对受冻油菜及时采取补救措施,确保油菜的稳健生长。减轻油菜冻害的主要措施有: 重施腊肥 越冬前或越冬初期在油菜行间壅施家杂灰2方或人畜粪2500kg,可提高土温和保证越冬期的肥料供应,有效地减轻油菜的冻害。据张甸
In recent years, Jiangyan rapeseed production has received a bumper crop, 1997 mu yield of 151kg. One of the most basic experiences is to pay close attention to field management in winter to enhance rapeseed resilience and effectively reduce the frost damage of rape, and take timely remedial measures against frozen rapeseed to ensure the steady growth of rapeseed. The main measures to reduce the frost damage of rapeseed are as follows: re-application of wax dressing before winter or early winter in rapeseed line between the two sides of miscellaneous ash or manure 2500kg, can increase the soil temperature and ensure winter fertilizer supply, effectively reduce the frost damage . According to Zhang Austin