论文部分内容阅读
1 选择良种,适期早播机械旱直播种繁水稻应选择耐肥抗倒,后期耐寒性较强,保证安全齐穗,穗瘟发生轻,穗粒并重型,优质高产的中熟中粳水稻良种作为繁殖对象为宜。如武育粳3号、镇稻88等。麦茬机械旱直播种繁水稻的播期虽然比移栽种繁水稻推迟25d左右,但是抽穗成熟期仅推迟
1 Select a good species, suitable for early sowing Mechanical drought Direct sowing, should choose to fight the heavy paddy rice resistant to fall, the late cold strong, to ensure safe heading, panicle blast occurred light, spike and heavy, high quality and medium-yielding medium Japonica rice Breeding objects as seed suitable. Such as Wuyu Japonica 3, 88 and other township rice. Although the sowing date of planted rice in dry stubble plantation of wheat stubble was delayed about 25 days than that of transplanted planted rice, the maturity of heading stage was only delayed