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    Research on CO_2 Enrichment Method Applied in Sugar Free Plant Tissue Culture
    植物无糖组培中CO_2增方法及其应用研究
    Studies on the Effect of Zinc Applied in Sugarbeet
    甜菜锌效应的研究
    A Preliminary Study on the Effect of Medicago Sativa and Astragalus Adsurgens in Response to Nutrient Elements Applied
    紫花苜蓿、沙打旺对入营养元素效应的初步研究
    Study on the Yield-increased Mechanism and Effectiveness of Sulphur Applied in High-yield Maize
    高产玉米硫增产效应与机制研究
    Applied Research of Se on Rice Ⅲ Research of Influence on Rice Production and Qualitative of Se Content of Rice field Soil and by Applying Se
    硒在水稻上的应用 Ⅲ.稻田土壤硒含量及硒对水稻产量与米质的影响
    INFLUENCE OF L-TRYPTOPHAN APPLIED TO SOIL ON YIELD AND NUTRIENT UPTAKE OF CABBAGE
    土L-色氨酸对甘蓝产量和养分吸收的影响
    and when the fungicides were applied 36 hours after inoculation the curative efficacy of azoxystrobin,carbendazim and thiram were 90.40%,95.75% and 61.94%,respectively.
    接种36h后再药,3种药剂对扁豆纹枯病的治疗效果分别为90.40%、95.75%和61.94%。
    When the fungicides were applied on the leaf base but the pathogen was inoculated on the untreated leaf tip,the protective efficacy of azoxystrobin,carbendazim and thiram for controlling haricot bean leaf blight were 87.81%,42.09% and 7.24%,respectively;
    在叶片基部药后在顶部接种,嘧菌酯、多菌灵和福美双对扁豆纹枯病的防治效果分别为87.81%、42.09%和7.24%;
    when the fungicides were applied on the abaxial (lower) leaf surface but the pathogen was inoculated on the untreated adaxial (upper) surface,the protective efficacy of azoxystrobin,carbendazim and thiram were 87.30%,37.00% and 16.15%,respectively.
    在叶片背面药后在正面接种,3种药剂对扁豆纹枯病的保护效果分别为87.30%、37.00%和16.15%。
    The highest gluten content of wheat in the experiment reached up to 25.97%,the most suitable density was 1 500 thousand plants·hm-2,the best amounts of nitrogenous fertilizer was 75kg·hm-2,the best amounts of phosphate fertilizer was 56.25kg·hm-2,the best amounts of potassium fertilizer was 37.5kg·hm-2,and no zinc fertilizer was applied.
    hm-2、钾量为37.5kg. hm-2、不用锌肥,小麦面筋含量可达25.97%。
    By using soil probes and enclosed chamber methods,N2O concentration in the soil profile,N2O fluxes on soil surface and influential factors of control treatment(no fertilizer added) and fertilized treatment(applied 180 kg/hm2 N) were studied during the corn growing season of loess soil.
    采用土壤平衡气室法和密闭气室法,对玉米生长期对照(不氮肥)和氮处理(180 kg/hm2N)黄土区土壤剖面中N2O浓度和土壤表面N2O排放通量的变化及其影响因子进行了研究。
    Result showed that,fertilizer N increased wheat yield clearly,the yield increased by 198.42% and 122.14% with 90 kg/hm2 and 180 kg/hm2 respectively,but the yield showed no significant increase with P fertilizer applied only.
    结果表明:(1)单氮肥90 kg/hm2和180 kg/hm2时,小麦的增产率分别为198.42%和122.14%,小麦籽粒的氮含量分别比不肥增加33.3%和35.9%; 单磷肥无明显的增产作用;
    N and P applied together could increase the yield from 267.84% to 472.88%.
    氮磷配对小麦有明显的增产作用,不同氮磷配处理的增产率为267.84%-472.88%。
    The N Harvest Index increased with N applied amount growing until 125.25 kg/hm2,when P applied was 26.30 kg/hm2 amount,it could reach 61.22%;
    (3)当氮肥用量小于125.25 kg/hm2时,氮收获指数随氮肥用量的增加而增加,适量磷氮收获指数增加,当磷肥用量为26.30 kg/hm2时,氮收获指数达61.22%,之后随磷肥用量增加,氮收获指数基本保持不变;
    When 0~900 kg/hm2 K2O were applied,the contents of Mn and Zn increased,but the content of Cu reduced.
    在K2O 0~900kg/hm2时,可以促进黄瓜对微量元素Mn、Zn的吸收,降低对Cu的吸收;
    The results indicated that: on the fields with high P level,without P fertilizer applied and combining N with K fertilizer could increase maize yield by 1.8%~12.4%,spike length,1.8%~8.2%,spike diameter,1.3%~4.1%,grain number,11.3%~22.5%,hundred-seed weight,1.1%~4.8%.
    结果表明:在该地区的高磷土壤上,不磷肥,合理配氮钾肥,可以增加玉米产量1.8%-12.4%。 其中,穗长增加1.8%-8.2%,穗粗增加1.3%-4.1%,穗粒数增加11.3%-22.5%,百粒重增加1.1%-4.8%。
    Compared with applying potassium sulfate and potassium chloride,the yield of peanut applied sulphate-potassium magnesium enhanced 12.7% and 11.7%,respectively the economic benefit of peanut increased 1022 yuans and 485 yuans per hectare as well.
    配硫酸钾镁与配硫酸钾、氯化钾相比,产量分别提高12.7%和11.7%,经济效益分别增加1022元/hm2和485元/hm2。
    Regression coefficients showed a possible source of POC in water-stable aggregates from increased crop biomass in topsoil(0-5cm) and organic matter applied in sub-surface layer(5-15cm).
    土壤不同层次水稳性团聚体中POC的来源不同,在0~5 cm表层可能主要来源于作物根茬生物量,而在5~15 cm土层则可能跟入的外源有机物有关。
    In the Yanghuang newly-irrigated areas,the content of total flavanone in cultivated Licorice could be increased by more than 5.0% if the amount of fertilizers were applied as follows: N 119.6-138.8 kg hm-2,P2O5 153.2-178.5 kg hm-2 and K2O 90.9-105.6 kg hm-2.
    红寺堡扬黄新灌区沙壤灰钙土人工栽培甘草总黄酮含量≥5.0%以上的农艺措为:纯N 119.6~138.8kghm-2、纯P2O5153.2~178.5 kghm-2、纯K2O 90.9~105.6 kghm-2。
    Considering the intrinsic quality and economical benefits comprehensively,the rational amount of nitrogen applied to sun-cured tobacco was 5 kg/667m2 in Mudanjiang area.
    综合考虑烟叶内在质量和经济效益,牡丹江地区晒烟合理氮量应为5 kg/667m2.
 

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