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作 者:许才康[1] 孙华[1] 陈培锋[1] 张建栋[1]
机构地区:[1]江苏太湖地区农业科学研究所,苏州215155
出 处:《上海农业学报》2010年第3期44-47,共4页Acta Agriculturae Shanghai
基 金:农业部国家油菜现代产业技术体系建设(nycytx-00559);江苏省科技支撑计划(BE2008369);苏州市农业科技攻关计划(SNG0816)资助
摘 要:选取密度和施氮量进行单、复因子试验,研究了栽培因子水平及其组合对双低油菜苏油4号产量与品质的影响。结果表明:(1)苏油4号高产优质栽培的适宜密度为12.0万~16.5万株/hm^2,适宜施氮量为270~315 kg/hm^2,在此范围内产量高、籽粒含油率较高、品质优。(2)栽培因子水平组合为种植密度12.0万株/hm^2、施氮量270 kg/hm^2,高产田块产量可达3 800 kg/hm^2,大面积丰产栽培可达3400 kg/hm^2,经济效益最佳。Field experiments with rape cultivar Suyou 4 of double low content in rapeseed were conducted to investigate the effects of planting density and nitrogen fertilizer rate on the seed yield and quality of Suyou 4. The results showed that(l) the appropriate planting density for Suyou 4 was 120 000-165 000 plants/hm2 and the suitable nitrogen fertilizer rate was 270-315 kg/hm2 ,in which the yield was high and the oil content and quality of seeds were also high; (2) Considering economic benefit,the best combination of cultivation factors was 120 000 plants/hm2 in planting density and 270 kg/hm2 in nitrogen fertilizer rate, and thus the yield could reach 3 800 kg/hm2 in high-yielding field and 3 400 kg/hm2 in large-scale high yield culture,and the erucic acid and glucosinolate contents of seeds maintained a low and stable level.
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