水稻盐丰47特征特性及高产栽培技术要点

盐丰47是利用群体育种方法育成的第一个高产型常规水稻品种,全生育期160d,属中晚熟品种,但播始历期比同熟期的品种短。该品种株型紧凑,茎秆粗壮,耐肥抗倒。株高97cm,平均穗粒数116粒,千粒重27.5g,一般产量650～700 kg/667m~2。米质优良,有7项指标达部颁一级粳米标准,二项达二级标准。最适栽培密度为13cm×30cm或18cm×30cm,注意氮、磷、钾配合施用,重施蘖肥,合理施用穗肥,及时防治二化螟等病虫害。在辽宁适宜沈阳以南辽河中下游及丹东、锦西等地区种植,省外适宜天津、河北、山东、河南、山西、宁夏、新疆等地种植。

The Character and Planting Keys of the New Variety Yanfeng 47

Yanfeng 47 is the new high-yield variety by colony-breeding, its total growth period is 160 d, it is a moderate-late maturing variety in Liaoning Province, but the period from seeding to the ear come out is shorter than the other same maturing variety. Its plant shape is compact, stem is strong, be able to bear high level fertilizer and can't lodge; plant height is 97 cm, the amount of grains is 116 per plant, the weight of one thousand grains is 27.5 g. The rice is high quality. The common average production is 650-700 kg/667 m2, the suitable planting densit is 13×30 cm. Fertilizering is rational cooperation of N.P.K, be sure to use more tilling fertilizer and suitable ear fertilizer and prevent and control plaint diseases and insect pests in time.