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  application
    A Study on the Mechanism of Farmland Mulching and Crop Yield Structure Ⅰ. Relationship between Shallow Application of Organic Fertilizer and High Yield of Cotton
    农田覆盖与农作物产量结构形成机制的研究——Ⅰ.浅有机肥与棉花高产的关系
短句来源
    A Study on the Index of Nitrogenous Fertilizer Application and Nitrogen Balance for High Yield in Seashore Rice Region of Hebei by Using ~(15)N
    应用~(15)N研究滨海稻区高产氮指标及氮素平衡
短句来源
    STUDY ON THE SOWING DENSITY AND NITROGEN APPLICATION TO WINTER WHEAT OF 300—400KG PER MU IN HUAIBEI AREA
    淮北地区冬小麦亩产300—400公斤播种密度与氮量的研究
短句来源
    NUTRITION AND APPLICATION OF BORON ON SESAME Ⅱ.EFFECTS OF BORON ON THE GROWTH, DEVELOPMENT AND BORON-ACCUMULATION OF SESAME VARIETIES
    芝麻硼素营养与硼肥应用——Ⅱ、硼对不同芝麻品种生长发育及硼素积累的影响
短句来源
    A STUDY FOR POTASH APPLICATION TO RAISE WHEAT GRAIN YIEAD AND TO IMPROVE ITS QUALITY
    钾对提高小麦籽粒产量和蛋白质含量初步研究
短句来源
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  applying
    Rational Application of Fertilizers on Drylands Ⅳ. Function and Effects of Applying Organic Fertilizer as Initial Dressing on Drylands
    旱地土壤的合理肥——Ⅳ.底有机肥料的效果和作用
短句来源
     ̄(15)N ABSORPTION BY RICE AND NITROGEN BALANCE SHEET WHEN SINGLY OR MIXEDLY APPLYING RICE STRAW(15N)AND UREA(15N)
    稻秆(~(15)N)和尿素(~(15)N)单或混时,水稻对标记氮的吸收与1
短句来源
    Effect of Nitrogen Applying Stages on the Grain Protein Content and Protein Fractions of Different Wheat Varieties
    氮时期对小麦不同种籽粒蛋白质品质的影响
短句来源
    Effect of Applying Nitrogen on Grain Protein in Durum Wheat and Common Wheat
    氮时期对硬粒小麦和普通小麦籽粒蛋白质的影响
短句来源
    Field test results show that when applying pure nitrogen 0~450 kg/hm2,yield of maize seed and straw stalk was increased.
    结果表明:在纯氮0~450 kg/hm2的范围内,随氮量增加,玉米子粒和秸秆产量增加。
短句来源
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  applied
    Studies on the Effect of Zinc Applied in Sugarbeet
    甜菜锌效应的研究
短句来源
    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
短句来源
    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
短句来源
    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%。
短句来源
    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。
短句来源
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  fertilizer
    A Study on the Mechanism of Farmland Mulching and Crop Yield Structure Ⅰ. Relationship between Shallow Application of Organic Fertilizer and High Yield of Cotton
    农田覆盖与农作物产量结构形成机制的研究——Ⅰ.浅有机肥与棉花高产的关系
短句来源
    A Study on the Index of Nitrogenous Fertilizer Application and Nitrogen Balance for High Yield in Seashore Rice Region of Hebei by Using ~(15)N
    应用~(15)N研究滨海稻区高产氮指标及氮素平衡
短句来源
    The Effect of Nitrogen Fertilizer on the Quality of Sugarbeet
    氮肥对甜菜质量影响的研究
短句来源
    Rational Application of Fertilizers on Drylands Ⅳ. Function and Effects of Applying Organic Fertilizer as Initial Dressing on Drylands
    旱地土壤的合理肥——Ⅳ.底有机肥料的效果和作用
短句来源
    Status of Soil Zinc and Effect of Zinc Fertilizer Application in Rice-Growing Area of Yellow River Basin in Henan Province
    河南省沿黄稻区土壤锌素状况及锌效果
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      application
    As an application we produce complete hyperbolic 5-manifolds that are nontrivial plane bundles over closed hyperbolic 3-manifolds and conformally flat 4-manifolds that are nontrivial circle bundles over closed hyperbolic 3-manifolds.
          
    As an application of the results we prove a generalization of Chevalley's restriction theorem for the classical Lie algebras.
          
    The proof is an application of a recent result by W.
          
    The application arises because of a very strong homological property enjoyed by certain cell filtrations forq-permutation modules.
          
    We give as an application a family of singular Schubert varieties.
          
    更多          
      applying
    Using the properties ofn-Hopf algebras we show that certain spaces do not admit the structure of ann-valued group and that certain commutativen-valued groups do not arise by applying then-coset construction to any commutative group.
          
    A basis is calledmonomial if each of its elements is the result of applying to a (fixed) highest weight vector a monomial in the Chevalley basis elementsYα, α a simple root, in the opposite Borel subalgebra.
          
    Our lower bound comes from applying a decomposition theorem for "hyperbolic localization" [Br] to this torus action.
          
    We then clarify the results by applying the theory of von Neumann algebras.
          
    We present here a self-contained derivation, building the decomposition from basic principles such as the Euclidean algorithm, with a focus on applying it to wavelet filtering.
          
    更多          
      applied
    The theory is applied to the case of cubic hypersurfaces, which is the one most relevant to special geometry, obtaining the solution of the two classification problems and the description of the corresponding homogeneous special K?hler manifolds.
          
    These results are applied to the theory ofcompactly causal symmetric spaces: we describe explicitly the complex domain Ξ associated to such a space.
          
    This paper shows how the Kazhdan-Lusztig theory of cells can be directly applied to establish the quasi-heredity ofq-Schur algebras.
          
    In [Ka1] its geometric counterpart was applied to construct contractible smooth affine varieties non-isomorphic to Euclidean spaces.
          
    In the final section the theorem is applied to gradient actions on other homogeneous spaces and we show, that Hilgert's Convexity Theorem for moment maps can be derived from the results.
          
    更多          
      fertilizer
    Effects of solid water and foliar fertilizer on survival and growth of seedlings in sand prevention and control
          
    To promote afforestation in sandy lands and increase the effects of prevention and control of desertification, the application of a new drought-resistant product-solid water and foliar fertilizer "Shifengle"-was studied.
          
    A comparison of three treatments (solid water, foliar fertilizer, and control) showed that both solid water and foliar fertilizer increased plant survival rate by 10% and 18.2%, respectively.
          
    Ltd had a higher carbon conversion of 3%, a lower specific oxygen consumption of about 8%, and a lower specific carbon consumption of 2%-3% than that of Texaco CWS gasification at the Lunan Fertilizer Plant.
          
    The results show that fertilizer and soil are important factors determining the aerosol particle over agricultural fields, and vegetable fields in suburban Beijing contribute significantly to the aerosol particle.
          
    更多          


    For the purpose of comparing the relative effect of various farm manures,field experimentswere carried out for four years at Nanking on a paddy soil;containing organic matter 1.5%,deri-ved from yellowish brown earth.The adsorption of nitrogen by one harvest of rice plant of the medium ripening variety was22—27% for rape-seed cake,17% for green manure,15% for water-logged compost,13% forstable manure,and 4.6—6% for pond mud.For rice of the early ripening variety,the percentageadsorption of nitrogen was 30%,20%,7.3%...

    For the purpose of comparing the relative effect of various farm manures,field experimentswere carried out for four years at Nanking on a paddy soil;containing organic matter 1.5%,deri-ved from yellowish brown earth.The adsorption of nitrogen by one harvest of rice plant of the medium ripening variety was22—27% for rape-seed cake,17% for green manure,15% for water-logged compost,13% forstable manure,and 4.6—6% for pond mud.For rice of the early ripening variety,the percentageadsorption of nitrogen was 30%,20%,7.3% and 5.7% for the green manure,water-loggedcompost,mixed stable manure of cattle and swine,and grass compost respectively.On the basis of relative effect of various manures on the yield of rice,it was calculated that1 kg N of stable manure was equivalent to 0.45 kg N of rape-seed cake,0.55 kg N of greenmanure,0.7 kg N of water-logged compost,and 2.1—2.5 kg N of pond mud.For rice of theearly ripening variety,1 kg N of stable manure was equivalent to 0.38 kg N of gree manure,0.49 kg N of water-logged compost,and 1.19 kg N of grass compost.The liberation of nitrogen from manures proceeded most rapidly for the green manure,rape-seed cake entering the second and then water-logged compost.The liberation of nitrogen fromthe pond mud was so slow that it could hardly be distinguished from the controll treatment.Attention must pay to use nitrogen fertilizers as top-dressing when large amount of green manurehad be applied in order to prevent the lodging of rice plant,and on the contrary the applicationof top-dressing was essential when pond mud was used as the basic dressings.

    本试验(自1956—1959年)在南京黄褐色母质发育的水稻土(有机质1.5%,全N0.086%,速效P_2O_5 0.008%,速效K_2O 0.0178%)上进行。1.各农肥的肥效如下:(1)氮素肥效折合率约为:中稻:堆(?)肥1斤N(?)菜饼0.45斤N(?)绿肥0.55斤N(?)草塘泥0.7斤N(?)塘泥2.1—2.5斤N。早稻:猪牛(?)肥1斤N(?)绿肥0.38斤N(?)草塘泥0.49斤N(?)青草堆肥1.15斤N。(2)对水稻的氮素吸收利用率约为:中稻:菜饼22—27%,草塘泥15%,绿肥17%,堆(?)肥13%,塘泥4.6—6%。早稻:绿肥30%,草塘泥20%,猪牛(?)肥7.25%,青草堆肥5.7%。2.各农肥在水田中自6月中旬至9月上旬,NH_4-N 的释放量以绿肥最快最大,菜饼的分解速率仅次于绿肥,但在肥一个半月后释放量达到最高峯。草塘泥兼有迟速效特性,释放速率及释放量都比较平稳,不象绿肥那样猛发,又比堆(?)肥速效成份高,比河泥养分释放快。堆(?)肥释放情况介于草塘泥与河泥之间,后期分解量较高。河泥释放量最差,有时几和对照相近。此外,土壤分析结果指出:在种中熟籼稻的土壤中N...

    本试验(自1956—1959年)在南京黄褐色母质发育的水稻土(有机质1.5%,全N0.086%,速效P_2O_5 0.008%,速效K_2O 0.0178%)上进行。1.各农肥的肥效如下:(1)氮素肥效折合率约为:中稻:堆(?)肥1斤N(?)菜饼0.45斤N(?)绿肥0.55斤N(?)草塘泥0.7斤N(?)塘泥2.1—2.5斤N。早稻:猪牛(?)肥1斤N(?)绿肥0.38斤N(?)草塘泥0.49斤N(?)青草堆肥1.15斤N。(2)对水稻的氮素吸收利用率约为:中稻:菜饼22—27%,草塘泥15%,绿肥17%,堆(?)肥13%,塘泥4.6—6%。早稻:绿肥30%,草塘泥20%,猪牛(?)肥7.25%,青草堆肥5.7%。2.各农肥在水田中自6月中旬至9月上旬,NH_4-N 的释放量以绿肥最快最大,菜饼的分解速率仅次于绿肥,但在肥一个半月后释放量达到最高峯。草塘泥兼有迟速效特性,释放速率及释放量都比较平稳,不象绿肥那样猛发,又比堆(?)肥速效成份高,比河泥养分释放快。堆(?)肥释放情况介于草塘泥与河泥之间,后期分解量较高。河泥释放量最差,有时几和对照相近。此外,土壤分析结果指出:在种中熟籼稻的土壤中NH_4-N 在10微克/克土(ppm)以下似难被利用(图1)。3.就植株氮素吸收利用及生长情况可看出:用绿肥对中稻的营养生长有特别促进作用。如用量稍多,就会引起先期猛发,徒长茎叶,增加草谷比例,产量并不能提高,因此绿肥时,配合速效氮肥做面肥或追肥时应特别注意,在绿肥用量较高时,再用速效氮肥往往有害无益。如直接用绿肥,则用量不宜过多,耕翻时也要适当提早,速效肥要看苗用。草塘泥性平稳,用做基肥时,配合少量化学氮肥做面肥及穗肥均可进一步提高产量。堆(?)肥与河泥性质慢,不论用于中稻或早稻,均必须增速效肥料,不然肥效很低。早稻生长初期气温低,农肥养分释放慢,同时早稻生长期短,插秧后20天即进入幼穗分化期,因此分解较快的绿肥,及含速效氮较多的草塘泥用做早稻基肥,效果更为显著。所有农肥增了速效氮肥做面肥及追肥都有良好增产效果,其中分解愈慢的农肥效果愈大。例如绿肥及草塘泥增速效氮肥后产量增加48.3%及43.2%,N 素吸收利用率增加1倍及8成,而青草堆肥配合速效氮肥时,产量增加85%,N 素吸收利用率提高近四倍(表13)。4.各农肥单独用做早稻基肥时,植株每日氮素吸收量皆以抽穗期为最多,若增速效N 肥后,则每日氮素吸收量最多时期均由抽穗期提前至幼穗分化期,同时产量也显著提高(表5)。

    Field practice has long proved that the application of straw ash on newly reclaimed paddy soils derived from the lacustrine deposit in the flooded areas of Li-Shia-Ho,Kiangsu, greatly increases the yields of wheat,barley and other upland crops.Field experimentes were conducted to compare the effect of superphosphate with straw ash as basic dressings at a same level of phosphate fertilizer.Results revealed that superphosphate has a similar effect as straw ash. Laboratory investigations gave evidences that fixation...

    Field practice has long proved that the application of straw ash on newly reclaimed paddy soils derived from the lacustrine deposit in the flooded areas of Li-Shia-Ho,Kiangsu, greatly increases the yields of wheat,barley and other upland crops.Field experimentes were conducted to compare the effect of superphosphate with straw ash as basic dressings at a same level of phosphate fertilizer.Results revealed that superphosphate has a similar effect as straw ash. Laboratory investigations gave evidences that fixation of available soil phosphorus takes place as the flooded soil dried out through reclamation and drainage.

    1.沤田水稻土具有特殊的化学和物理化学特性,在沤改旱过程中,速效性磷遭受显著的固定,速效性磷的缺乏,可能是沤改旱田旱作低产的主要原因之一。2.典型调查及大田对比试验材料表明,草木灰对沤改旱田旱作(三麦、绿肥)有显著的增产效果,其增产幅度因沤田类型、沤改旱的其他农业技术措的配合情况等不同而不同。3.草木灰具有显著肥效的原因很多,如提高土温、疏松土壤等,但其主导因素可能与其含有较丰富的速效性磷有关。 4.过磷酸钙对沤改旱田旱作有显著的增产效果。每亩用过磷酸钙30斤作基肥,其肥效与500斤稻草灰相等,大麦产量较对照增产95.8%。单(基肥)硫酸钾、碳酸钙或硫酸铵对沤改旱田大麦也具有增产效果,但其肥效远逊于过磷酸钙。5.过磷酸钙拌种可减少肥料用量,每亩10斤过磷酸钙拌种,大麦产量较对照可增产58.7%。无论过磷酸钙或草木灰均以用作基肥效果最大,用时间愈迟,其肥效将愈降低。

    The results obtained from the experiments on the leaf-color shift in relation to the forma-tion of high yield of wheat in Nanking during 1961 and 1962 are summarized as follows:1.The leaf-color shift of wheat plant is an inherited biological character.The highyield is closely connected with these rhythmic shifts.The appearance of “green-yellow-green”at the early spring,shooting,and booting stages is determined by the fluctuation of thechlorophyll content and the level of nitrogen of the leaves.2.On account of...

    The results obtained from the experiments on the leaf-color shift in relation to the forma-tion of high yield of wheat in Nanking during 1961 and 1962 are summarized as follows:1.The leaf-color shift of wheat plant is an inherited biological character.The highyield is closely connected with these rhythmic shifts.The appearance of “green-yellow-green”at the early spring,shooting,and booting stages is determined by the fluctuation of thechlorophyll content and the level of nitrogen of the leaves.2.On account of the 7-9th leaves of high-yielding plant having Comparatively large areaand high dry matter,the accumulation of dry matter in the internodes and leaf sheathes atthe basal part of the plant is promoted,whereby the formation of stiff culm is favored.Under the conditions of high-yielding cultural practices,a higher level of nitrogen of theplant body stimulates the differentiation of spikelets and florets.3.Under high-yielding cultural conditions,the normal shift to green color of the leaves atthe booting stage promotes the translocation of stored matter from vegetative organs to thekernels and favors the process of grain filling.The number of spikelets per head,the grainweight and the yield are consequently increased,while the number of sterile florets is loweredsignificantly.4.A proper lay-out of fertilizer practices is necessary for controlling leaf color shift andgetting a high yield.According to the results of our experiments,a moderate amount ofbasic fertilizers benefits the growing of Well-developed seedlings,while a heavy applicationof farmyard manure at the early winter increases the accumulation of the soil nutrients andtherefore favores the formation of strong tillers and large spikes.The shooting fertilizershould be applied when the green color fades away at shooting stage.The amount offertilizers applied depends upon the degree of leaf color.This application of fertilizers pro-motes the growth of the last three leaves,accelerates the translocation of nutrients to thespike and favors the formation of grain.Besides,the “heading rate”of tiller and the numberof spikelets are also increased.A further application of a proper amount of nitrogen beforethe emergence of the boot leaf enlarges the area of that leaf,significantly increases the rateof photosynthesis,the rate of grain formation and the grain weight,and finally raises theyield by 17.5 percent.

    南京地区丰产小麦的叶色在返青、拔节、孕穗阶段显现“青、黄、青”节奏变化。返青阶段叶片正常显“青”,植株体内有适当高的氮素水平,有利于小穗、小花发育,成长大穗;拔节阶段正常显“黄”,叶、鞘、茎生长协调,有利于茎节发育及壮秆形成;孕穗阶段叶色转“青”,有利物质运转,籽粒灌浆顺利,不实小穗减少,增粒、增重。在壮苗基础上重腊肥,合理掌握春期追肥,控制叶片正常显青、落黄,有利形成壮秆、大穗,增粒增重、稳定高产。

     
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