甘蓝型油菜宜油六号用硝酸稀土拌种,亩用量20、30、40和50克,分别折成小区(3×9平方米)用量均匀拌种,拌后堆闷12小时,晾干后播种。经试验得知,硝酸稀土拌种用量为每亩40克和50克,对出苗有一定抑制作用,比对照(清水拌种)迟3—4天,用量为每亩20克和30克拌种的能促进出苗,出苗期比对照早2—3 Brassica napus YIYOU with rare earth nitrate seed dressing, the amount of 20,30,40 and 50 grams of acres, were folded into the area (3 × 9 square meters) the amount of uniform seed dressing, mixed heap boring for 12 hours, after drying sowing. The test shows that the amount of rare earth nitrate seed dressing dosage of 40 grams per acre and 50 grams of the emergence of a certain inhibitory effect than the control (water dressing) late 3-4 days, the amount of 20 grams per mu and 30 grams of seed dressing Can promote emergence, emergence 2-3 days earlier than the control