CHEN Shu-qiang,YANG Li-min,ZHAO Hai-xin,et al.Study on Cultivation Techniques with High Yield of Highquality Super Rice Longjing 21 in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(02):23-28.
寒地优质超级稻龙粳21配套高产栽培技术研究
- Title:
- Study on Cultivation Techniques with High Yield of Highquality Super Rice Longjing 21 in Cold Region
- 文章编号:
- 1002-2767（2014）02-0023-06
- Keywords:
- cold region; super rice; Longjing 21; cultivation technique with highyield; fine variety with fine cultivating method
- 分类号:
- S511.2+20.48
- 文献标志码:
- A
- 摘要:
- 为了充分发挥超级稻品种巨大的增产潜力，以寒地超级稻龙粳21为试材，通过对其不同播种时期、播种量、插植密度和施肥量进行研究，结合良种良法，组装集成其高产高效配套栽培技术。结果表明：龙粳21的适宜播种日期在4月15~20日，最佳播种量为200~250 g?m-2；最适宜的插植密度为25穴?m-2，插秧规格为30.0 cm×13.3 cm，每穴5株；最佳施肥量为纯氮 130 kg?hm2P2O5 65 kg?hm-2、K2O 65 kg?hm-2时，产量可达到9 t?hm-2以上。
- Abstract:
- In order to give full play to the huge yield potential of super rice varieties,taking super rice variety Longjing 21 as material,its different sowing time,sowing amount,planting density and fertilization amount were studied,and the high efficient and highyield cultivation techniques was assembled and integrated by the combination of superior rice varieties with superior method.The results showed that the suitable sowing date of Longjing 21 was from 15 to 20 in April,the best sowing amount was 200～250 g?m2,the most appropriate planting density was 25 hole?m2,planting specification was 30.0 cm×13.3 cm,5 strains per hole,the best fertilizer amount for pure N,P2O5 and K2O were 130,65 and 65 kg?hm2 respectively,the yield could up to 9 t?hm2
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备注/Memo
收稿日期：2013-10-09基金项目：黑龙江省杰出青年基金资助项目（JG05-22）；“十二五”国家粮食丰产科技工程资助项目（2011BAD16B1102YJ01）；黑龙江省科技攻关资助项目（GA10B102-6）；黑龙江省政府博士后资助项目（LBHZ10038）；黑龙江省农业科技创新工程重点资助项目（2009）第一作者简介：陈书强(1976-)，男，黑龙江省哈尔滨市人，博士，副研究员，从事水稻高产高效优质栽培研究。E-mail:chenshuqiang@163.com。通讯作者：潘国君（1961-），男，黑龙江省虎林市人，博士，研究员，从事水稻育种研究。E-mail:panguojun777@163.com。