黑龙江农业科学
黑龍江農業科學
흑룡강농업과학
HEILONGJINAG AGRICULTURAL SCIENCE
2014年
2期
23-28
,共6页
陈书强%杨丽敏%赵海新%薛菁芳%潘国君
陳書彊%楊麗敏%趙海新%薛菁芳%潘國君
진서강%양려민%조해신%설정방%반국군
寒地%超级稻%龙粳21%配套高产栽培技术%良种良法
寒地%超級稻%龍粳21%配套高產栽培技術%良種良法
한지%초급도%룡갱21%배투고산재배기술%량충량법
cold region%super rice%Longjing 21%cultivation technique with high-yield%fine variety with fine culti-vating method
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·hm-2、P2 O565 kg·hm-2、K2 O 65 kg·hm-2时,产量可达到9 t·hm-2以上。
為瞭充分髮揮超級稻品種巨大的增產潛力,以寒地超級稻龍粳21為試材,通過對其不同播種時期、播種量、插植密度和施肥量進行研究,結閤良種良法,組裝集成其高產高效配套栽培技術。結果錶明:龍粳21的適宜播種日期在4月15~20日,最佳播種量為200~250 g · m-2;最適宜的插植密度為25穴· m-2,插秧規格為30.0 cm ×13.3 cm ,每穴5株;最佳施肥量為純氮130 kg·hm-2、P2 O565 kg·hm-2、K2 O 65 kg·hm-2時,產量可達到9 t·hm-2以上。
위료충분발휘초급도품충거대적증산잠력,이한지초급도룡갱21위시재,통과대기불동파충시기、파충량、삽식밀도화시비량진행연구,결합량충량법,조장집성기고산고효배투재배기술。결과표명:룡갱21적괄의파충일기재4월15~20일,최가파충량위200~250 g · m-2;최괄의적삽식밀도위25혈· m-2,삽앙규격위30.0 cm ×13.3 cm ,매혈5주;최가시비량위순담130 kg·hm-2、P2 O565 kg·hm-2、K2 O 65 kg·hm-2시,산량가체도9 t·hm-2이상。
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 high-yield 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·m-2 ,the most appropriate planting density was 25 hole·m-2 ,planting specification was 30 .0 cm × 13 .3 cm ,5 strains per hole ,the best fer-tilizer amount for pure N ,P2 O5 and K2 O were 130 ,65 and 65 kg·hm-2 respectively ,the yield could up to 9 t·hm-2 .