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防效
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  control effect
    At the same time,the results of field trial for the efficacy of fungicides against White spot disease showed that the control effect of both 40% Nustar EC(1:3000) and 30% TrifmineWP(l:1500) to White spot disease reached 96.24% or 90.20% at 5 days after treatment of one times , 98.65% or 93.54% at 5 days after treatment of twice;
    与此同时,防治白斑病的田间药效试验结果表明:在发病初期间隔6d连续防治两次,40%福星EC3000倍液和30%特富灵WP1500倍液在一次药后5d的防效分别可达96.24%和90.20%,在二次药后5d的防效分别达98.65%和93.54%;
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    the control effect of both 10% polyxinBin WP(500 times) and 2% Kasugamycin AS (500 times) to White spotdisease were up to 83.54% or 81.27% at 5 days after treatment of one times too , 87.96% or 84.71% at 5 days after treatment of twice .
    10%宝丽安WP500倍液和2%加收米AS500倍液在一次药后5d的防效也可达到83.54%和81.27%,在二次药后5d的防效则高达87.96%和84.71%。
短句来源
    the relative control effect of Zhucuye, 1.5% abamectin in lower root rot disease soil (the occurred disease rate of root rot is below 10%) were 74.6% and 44.3%.
    竹醋液、阿维菌素乳油对线虫低发病率地块有较好的防治效果,相对防效可以达到74.6%、44.3%。
短句来源
    The organic carbon fertilizer could promote the growth of American ginseng and had good controlling effect on the nematode, the relative control effect could get to 47.1% .
    有机碳素肥在促进西洋参生长的同时还对西洋参线虫有较好的防治效果,相对防效达到47.1%。
短句来源
    With inoculation condition,the control effect of plot was 51.5%,the average control effect of region was 85.2%. The yield increased by 11.4%.
    在接种条件下,田间小区防效为51.5%,区域试验平均防效为85.2%,增产11.4%。
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    It has better effect to apply 0.75 liter Nicosulfuron plus 0.3 liter 2,4 D butylate per hactre. The rate of protection and control is 97.1%~100%. It is relatively safe for corn.
    Nicosulfuron每公顷用量0.75升加0.3升的2、4—D丁酯时,对玉米田除草效果好,防效达97.1%~100%,并对玉米相对安全。
短句来源
    . The pot experiment showed that the herbicide effect can reach 90% if treated with the constitute of Napropamide 2.0kg/ha and Pendimethalin 2.0kg/ha.
    室内条件下,敌草胺在2.0kg/ha与除芽通在2.0kg/ha的混剂处理条件下对杂草的防效可达到90%。
短句来源
    Secondly, the result of three insecticides’ controlling vetch pests in the field showed that the controlling effects of the three insecticides were improved to 55.2~91.7 per cent, and the seeds damaged by insect pests were reduced from 32.5~43.2 per cent to 3.2~17.4 per cent.
    其次,进行连续二年在田间采用 3 种药剂于不同时期进行了防治野豌豆属种子害虫的研究。 结果表明,3 种药剂处理与对照相比,虫食率由 32.5%~43.2%减少到 3.2%~17.4%,防效提高到 55.2%~91.7%,防治效果非常明显。
短句来源
    In general, under the safety aspects of wheat, improved yield and the effect of wheat field weed preventive and killing, the optimization scheme was: 2,4-D butylate (100~150ml/667m2)+ carbamide(22.5~30kg/667m2)and MCPA (100~150g/667m2)+ carbamide(22.5~30kg/667m2).
    在保证小麦安全生长、提高产量和兼顾杂草防效的基础上,它们之间的优化配比量为:2,4-D 丁酯(100~150ml/667m~2)+尿素(22.5~30kg/667m~2)和2 甲4 氯(100~150g/667m~2)+尿素(22.5~30kg/667m~2)。
短句来源
    But the overall tendency shows that it is higher by 1:300 is than 1:200 of the rate of emergence, and higher by 1:200 than by 1:300 of the effect of preventive diseases.
    田间试验表明与对照相比,出苗率提高范围在2.8~5.8个百分点,总的趋势是1:300药种比的出苗率高于1:200药种比的出苗率,以处理4最高; 随着药种比例的增大,防病效果有提高的趋势,以处理1防效最好。
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  control effect
Flutter control effect and mechanism of central-slotting for long-span bridges
      
The control effect of central-slotting depends on the aerodynamic configuration of the original girder section and the corresponding central-slotting width.
      
The control channel is divided into two channels (fast and slow) for enhancing the speed of response at a significant range of the control effect.
      
Simulation results indicated that the proposed controller exhibits satisfying control effect.
      
The activities of enzymes responsible for lignification in pepper, pre-inoculation with arbuscular mycorrhizal (AM) fungus ofGlomus intraradices and/or infection with pathogenic strain ofPhytophthora capsici, and the biological control effect ofG.
      
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In this paper the habits of growth, damage and competition of cocklebur (Xanthiun sibiricum Patrin-Xanthium iaponicum Willd.) in the soybean field through the plot experiment and field survey is disscus-sed. Due to the rapid growth and strong competition of cocklebur the reduction of yield of soybean is serious.Chemical herbicdes, Bentazon, Benthiocarb, Fomesafen, and metri-buzin, etc, are effective for the control to cocklebur.For pre-emergence application to the sail the Metribuzin 35g per mu is used. At 2-5...

In this paper the habits of growth, damage and competition of cocklebur (Xanthiun sibiricum Patrin-Xanthium iaponicum Willd.) in the soybean field through the plot experiment and field survey is disscus-sed. Due to the rapid growth and strong competition of cocklebur the reduction of yield of soybean is serious.Chemical herbicdes, Bentazon, Benthiocarb, Fomesafen, and metri-buzin, etc, are effective for the control to cocklebur.For pre-emergence application to the sail the Metribuzin 35g per mu is used. At 2-5 leaf stage of cocklebur, foliar applieations with Bentazon 37.5 Fomesafen 33.3s and Benthsocarb 200g per mu can give control rate over 95 . At the same time, the annual and the perennial grasses will also be controlled if Bentazon Fomesafen are applied with Fluazifopbutyl, Callant or Nabu in tank mixture.

本文通过小区试验及大田调查,研究了豆田恶性杂草——苍耳的生长,为害习性及竞争,明确了苍耳有生长速度快,蔓延迅速,竞争力强,对大豆生长发育影响大,在低密度条件下亦能造成严重减产特点。 化学除草剂排草丹(苯达松)、虎威、杀草丹、赛克津等均能有效地防治苍耳的为害。在大豆播后苗前,每亩用赛克津35 g(有效剂量,下同)。土壤处理;在苍耳2—5叶期,每亩用排草丹37.5 g,或虎威33.3 g,或杀草丹200g茎叶处理,均可达到95%以上的防效。排草丹、虎威等与稳杀得、盖草能或拿捕净等除草剂混用,还可兼治一年生和多年生禾本科杂草。

Wheat seeds were soaked with Baytan and Bayleton 25ppm, 50ppm and 100ppm a.i. respectively to control leaf rust in green house. There was no effect on the germination of seeds and the effectiveness of control was 64.2 -99.8%.The protective effect of Baytan was 92.5% within 3 days after treatment, but decreased to 72.2% 7 days later. The curative effect of Baytan obviously evident within 6 days after inoculation and Baytan 100ppm gave 100% control. Spraying Baytan and Bayleton 100ppm had no harmful effect to...

Wheat seeds were soaked with Baytan and Bayleton 25ppm, 50ppm and 100ppm a.i. respectively to control leaf rust in green house. There was no effect on the germination of seeds and the effectiveness of control was 64.2 -99.8%.The protective effect of Baytan was 92.5% within 3 days after treatment, but decreased to 72.2% 7 days later. The curative effect of Baytan obviously evident within 6 days after inoculation and Baytan 100ppm gave 100% control. Spraying Baytan and Bayleton 100ppm had no harmful effect to wheat seedling.

本试验在温室内用有效成分浓度25、50和100ppm的羟锈宁和粉锈中浸种,对种子的发芽势和发芽率没有明显影响,浸种对开始出土的幼苗有一定的抑制作用,但后期长势无明显差别,而叶片稍浓绿,似有一定的壮苗作用,浸种后防效达64.2—99.8%.100ppm羟锈宁的保护作用在3天内可达92.5%,到第7天下降至72.2%.羟锈宁的治疗作用比较明显,在叶锈菌侵入寄生后的6天内防效显著,100ppm羟锈宁的治疗效果为100%,有效成份浓度100ppm的羟锈宁和粉锈宁,对小麦没有药害.

The paper shows that applying optimum amount of urea in ramie fieldincreases the vegetative growth and fiber yield. 55kg/mu of urea for Huangke-zao and 75kg/mu for Luzhuqing per year result in the highest fiber yield,which is on average 35.5% and 36.4% higher than control respectively.The important technical measure for quality and high yield of ramie fiberis balanced nitrogen and potassium application. The optimal proportionof 30 kg/mu of urea and 20 kg/mu of KC1 heightents on average fiber yield by16.5% over...

The paper shows that applying optimum amount of urea in ramie fieldincreases the vegetative growth and fiber yield. 55kg/mu of urea for Huangke-zao and 75kg/mu for Luzhuqing per year result in the highest fiber yield,which is on average 35.5% and 36.4% higher than control respectively.The important technical measure for quality and high yield of ramie fiberis balanced nitrogen and potassium application. The optimal proportionof 30 kg/mu of urea and 20 kg/mu of KC1 heightents on average fiber yield by16.5% over control, resulting in the highest economic efficiency. Moreover,foliar application with 0.5% and 0.8% KC1 solution prevents the incidenceof chlorosis. Application of micronutrients improves fiber quality and in-creases yield as follows. 0.1% sodium teraborate (Na_2B_4O_7) in acid soil in-creases 11.6%, 0.2% sodium teraborate in limestone soil 4.6% and Mn andZn 7.2% on average.

适量施用尿素能增加苎麻产量,“黄壳早”以全年亩施55kg,“芦竹青”以全年亩施75kg的产量最高,分别比对照增产35.5%和36.4%,合理氮、钾肥配比是提高苎麻产量和品质的重要技术措施,施钾能提高苎麻产量,以亩施尿素30kg和KCl20kg的经济效益高,平均比对照提高产量16.5%,此外,根外喷施0.5%和0.8和KCl,有防止花叶病的作用,以0.8%防效最高,喷施硼、锰、锌微肥对苎麻产量和品质有良好作用,在酸性土壤上,喷0.1%硼肥平均增产11.6%;在石灰性土壤上喷0.2%硼砂,平均增产4.6%;喷锰,锌微肥各试验点比对照平增产7.2%。

 
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