2) direct seeding upland rice
直播旱稻
3) dry-seeded rice
水稻旱播
4) dry seeded rice field
旱直播稻田
1.
5 1/ha in dry seeded rice field, its effectiveness remained over 80% after it was exposed to sunlight for 35-40 days.
5L/hm~2防除旱直播稻田杂草,施药后曝晒25d左右药效开始下降,曝晒35～40d的防效仍保持在80％以上,45d后防效较差。
5) direct seeded rice
直播水稻
1.
Application techniques of Suchu herbicide for controlling weeds were studied in direct seeded rice fields in the Middle and Lower Reaches of the Yangtze River.
通过在长江中下游主要直播水稻栽培区进行了速除防除杂草试验,明确了速除450~600 g a。
6) direct sowing rice
直播水稻
1.
Study on yield increasing mechanism of the infiltration irrigation through shallow furrow to the southern direct sowing rice;
南方直播水稻浅沟渗灌节水增产机理研究
2.
Because of no differences with weeds in time and location, direct sowing rice with labor saving, low investment and high yield potential also has some shortages in competition for space, so the harm degree of weeds is increased, such as moleplant seed which is unsusceptible to normal weed killers and becomes a severe weed.
直播水稻具有省工、节本、产量潜力高等优点 ,直播稻苗与杂草无时差、位差 ,不存在“空间”竞争优势 ,增加了杂草的危害程度 ,尤其是千金子 ,对目前稻田常用除草剂不敏感 ,已逐渐成为直播水稻田间的恶性杂草 ,部分地块甚至因其猖獗危害而绝收。
补充资料：水稻
单子叶植物，禾本科。一年生草本。叶狭长扁平，叶鞘有茸毛。圆锥花序称“稻穗”，成熟时下垂，小穗有芒或无芒，稃上有毛或无毛。颖果即稻谷。按米粒黏性分粳、籼、糯稻；按生育期分早、中、晚稻。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条