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直播水稻田
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  rice fields of direct seeding cultivation
     Emergence and control of weeds in rice fields of direct seeding cultivation in Guangxi
     广西直播水稻田杂草发生与防除
短句来源
  “直播水稻田”译为未确定词的双语例句
     The authors had a two year research on preventing and controlling weeds in direct sowing rice field with mixed using Qianjin and Bianhuanglong in 1998 and 1999. The results show that when using Qianjin with the amount of 450~750 ml·hm -2 in the early period of young plant for direct sowing rice, it is safe for rice and the percentage of control to moleplant seed reaches above 95%, and above 80% to panic grass at the same time;
     1 998、 1 999年以千金与苄黄隆混用防治直播水稻田杂草两年的试验研究表明 ,千金作为直播稻田在秧苗早期使用对水稻生长发育安全 ,用量 45 0~ 75 0 ml· hm- 2 ,对千金子防治效果可稳定在 95 %以上 ,同时对稗草可达 80 %以上的兼治作用。
短句来源
     flucetosulfuron is a new sulfonylurea herbicide developed by LG Life Sciences Ltd. , Korea.
     氟吡磺隆是由韩国LG公司生命科学有限公司研制的一种新型磺酰脲类除草剂,可用于移栽和直播水稻田;
短句来源
  相似匹配句对
     Emergence and control of weeds in rice fields of direct seeding cultivation in Guangxi
     广西直播稻田杂草发生与防除
短句来源
     THE SO-CALLED "BAI-TY" PADDY SOILS IN CHIANGSHU PROVINCE
     江苏省的“白土”稻田
短句来源
     They always connected water with their attitude.
    
短句来源
     Study on Main Management Techniques of Weeds Grown in the Direct Sowing Rice Fields
     直播稻田杂草综合治理关键性技术的研究
短句来源
     Water
    
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This paper discribes the occurring regularity of Lerptochloa chinensis and its effect on the loss rate of yield of direct-sowillg rice, and the research of eco-economic weeding threshold. The eco-economic weeding threshold model is established. The densities marking the necessity of controllillg weed are estimated under different weeding measures.

对千金子[Leptochloachinensis(L.)Ness]在直播水稻田的发生规律和对水直播稻产量损失率的影响以及生态经济除草阈值问题进行了初步研究,建立了千金子生态除草阈值模型,计算出在不同除草措施下,防除千金子应达到的密度水平.

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. The authors had a two year research on preventing and controlling weeds in direct sowing rice field with mixed using...

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. The authors had a two year research on preventing and controlling weeds in direct sowing rice field with mixed using Qianjin and Bianhuanglong in 1998 and 1999. The results show that when using Qianjin with the amount of 450~750 ml·hm -2 in the early period of young plant for direct sowing rice, it is safe for rice and the percentage of control to moleplant seed reaches above 95%, and above 80% to panic grass at the same time; if mixed using Qianjin with 750ml·hm -2 and Bianhuanglong with 225~300 g·hm -2 at the stage of 2 or 3 leaf of young plants, the percentage of control to weeds in direct sowing rice field can reach above 95%.

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。 1 998、 1 999年以千金与苄黄隆混用防治直播水稻田杂草两年的试验研究表明 ,千金作为直播稻田在秧苗早期使用对水稻生长发育安全 ,用量 45 0~ 75 0 ml· hm- 2 ,对千金子防治效果可稳定在 95 %以上 ,同时对稗草可达 80 %以上的兼治作用。千金与苄黄隆混用 ,在秧苗 2~ 3叶期用千金 75 0 ml· hm- 2加苄黄隆 2 2 5~ 3 0 0 g·hm- 2 ,对直播稻田杂草的防治效果达 95 %以上。

flucetosulfuron is a new sulfonylurea herbicide developed by LG Life Sciences Ltd., Korea. This herbicide can be used as a soil or foliar application in direct seeded and transplanted rice, providing excellent control of barnyard-grass ( Echinochloa crusgalli ) as well as broadleaf and sedge weeds. In greenhouse and field experiments, this herbicide at its normal use rate of 15 to 30 g a.i./ha provided >90% control with good crop safety and no carryover injury to successive crops. Chemical structure, physical...

flucetosulfuron is a new sulfonylurea herbicide developed by LG Life Sciences Ltd., Korea. This herbicide can be used as a soil or foliar application in direct seeded and transplanted rice, providing excellent control of barnyard-grass ( Echinochloa crusgalli ) as well as broadleaf and sedge weeds. In greenhouse and field experiments, this herbicide at its normal use rate of 15 to 30 g a.i./ha provided >90% control with good crop safety and no carryover injury to successive crops. Chemical structure, physical and chemical properties, and toxicity of flucetosulfuron are also discussed .

氟吡磺隆是由韩国LG公司生命科学有限公司研制的一种新型磺酰脲类除草剂,可用于移栽和直播水稻田;用于土壤或茎叶处理能有效防除稗草、阔叶和莎草科杂草;温室和田间试验表明,用于水稻田,在常规用量15-30g(有效成分,下同)/hm2时,防效达90%以上,对水稻安全,对后茬作物无影响。文章还简述了药剂的分子结构、理化特性、毒性和作用机理等。

 
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