大田

dà tián
  • Datian;land for growing field crops;fertile field
大田大田
大田 [dà tián]
  • (1) [land for growing field crops]∶面积很大种有作物的田地

  • 大田还没有开镰,人们都呆在家里打杂

  • (2) [fertile field] 指良田

大田[dà tián]
  1. 而在大田试验中,经过一个月稻草中69.1%的钾就可以进入土壤。

    In testing in the land for growing field crops , through 69 of straw of one month . 1 % of the potassium can enter soil .

  2. 积极开拓新的青贮饲料资源,拓展优良专用青贮玉米种植面积和对大田玉米品种的改良;

    Explore new ensilage resources actively , expand the maize cultivated area of the fine special-purpose ensiling and improvement to the maize assortment of land for growing field crops ;

  3. 我们得把大田里的高草割掉。

    We shall have to mow down the tall grass in the big field .

  4. 大田软海绵酸单克隆抗体ELISA检测方法的建立

    Establishment of McAb-based competitive ELISA for detection of okadaic acid

  5. 采用微型盆栽和大田试验,研究了赤城产Ca-K型斜发沸石对盐化土壤有效钾的影响,以及斜发沸石在盐化土壤中的供钾能力和后效。

    The effect of Ca-K clinoptilolite on available potassium in salinized soil and its subsequent effect were studied with mini-pot trail and field trail .

  6. 稻瘟病菌90-2菌株系是从大田水稻雄性不育细胞质(CMS)上分离的对野败型(W)CMS专化致病的生理小种。

    Pyricularia oryzae 90 2 strain which is isolated from rice CMS in field is selectively pathogenic to rice W CMS .

  7. 大田期根长及根干重的生长均符合logistic生长方程,根数量的发生符合幂函数方程。

    In the field period , both the length and the weight of root corresponded with Logistic equation , the number of roots correspond with power equation .

  8. 经大田试验林采样PCR检测,转化基因遗传性稳定,目前尚无基因丢失或沉默现象。

    By PCR test of the samples of transgenic poplar trees from the test field , the transferred gene was stable and so far no case of gene loss happened .

  9. 本文通过大田试验,研究某Cd污染农田上种植的不同品种水稻不同生育期各部位Cd含量的规律。

    Based on the field plot experiment , this paper studied the law of Cd content in each organ of different varieties of rice planted in the field during the reproductive period .

  10. 利用~(15)N层标记的土柱试验法,研究了蔬菜和大田种植体系中菠菜、小麦两种作物及小麦的两个品种对土壤不同层次标记硝态氮利用的差异。

    The difference on the utilization of labeled nitrate-N in different soil layers between two kind of crops , spinach and wheat , as well as two varieties of wheat was studied by means of soil column experiment .

  11. 后发生的UPS从当地的合作伙伴-中外运,联邦快递花4亿美元收购其余的股份,其合资公司与中国公司大田集团。

    After UPS broke from its local partner-Sinotrans , Fedex spent $ 400 million to acquire the remaining stake of its joint venture with the Chinese firm DTW Group .

  12. 以生菜(lactuca)为实验材料,在大田条件下,研究了UV-B(280~320nm)辐射与模拟酸雨(AR)的胁迫对生菜生理特性和品质的影响。

    The paper studied the effect of UV-B radiation and acid rain on physiological property and quality of lettuce under field condition .

  13. 小麦花生两熟制一体化双高产栽培大田N肥试验表明:前茬(小麦)施N不仅小麦增产显著,而且具有较大的后效作用;

    Field experiment on nitrogen fertilizer application to wheat and intercropped peanut showed that : N applied to wheat not only increased the wheat yield , but also produced a great residual effect to peanut ( subsequent crop ) .

  14. 再生植株移入大田,15d后成活率在98%以上。

    Transferred test-tube plantlets into field , 98 % of it can survival after 15 d.

  15. 研究了大田栽培和自然光条件下,模拟UV-B辐射增强对20个小麦品种影响的形态学差异。

    Differences in morphological response of 20 wheat cultivars to enhanced ultraviolet radiation ( UV-B , 280 ~ 315 nm ) were investigated under field conditions .

  16. 采用土柱试验和大田试验相结合的方式研究了硝化抑制剂对菜地N2O排放的影响。

    Investigation on the effects of the nitrification inhibitor of the N2O emissions in vegetable field using combination of soil column tests and field trials .

  17. Stewart说,下一步是进行大田测试从而发现这种新植物究竟如何对田间环境的各种不同的病原体做出反应。

    The next step , said Stewart , is to conduct field tests to discover exactly how the new plants respond to different pathogens in a field setting .

  18. 采用大田病圃人工诱发鉴定和温室人工苗期诱发鉴定的方法,对60个品种进行了TMV病害的抗病性鉴定。

    60 Tobacco varieties or lines for resistance response to TMV were evaluated by disease nursery artificial induction in the field and the greenhouse .

  19. 为了给小麦的生产和育种提供一定的理论依据,在大田条件下,对11个小麦品种旗叶汁液可溶性物质含量、pH值、K+含量和产量结构进行了测定。

    Under field ( condition ), soluble matter ( content ), pH and K ~ + ( content ) of flag leaf sap of 11 winter wheat genotypes were studied in order to give some theoretic base to the growers and breeders .

  20. 本实验采用大田实验和盆栽实验研究了大量元素、微量元素以及生物活性物质(FA)对茉莉生长、产量与品质的影响。

    The effect of mass element , minim element and bioactive compound ( FA ) on plant growth , yield and quality of jasmine was studied by the pot experiment and field experiment .

  21. 以大田实验和无菌土实验证明茉莉酸甲酯对大豆结瘤和固氮影响的途径和程度,进而探讨MJ在影响大豆结瘤和固氮中的作用。

    The evidences can demonstrate the pathway and extent through which MJ exerted the influence on the nodulation and nitrogen fixation of soybean by experiments performed under the field and the soil sterilized .

  22. Aresa正在塞尔维亚进行大田试验。

    Aresa are conducting field trials in Serbia .

  23. 对EPIC模型在黄土高原地区的应用做了初步尝试。对模型的部分土壤特性参数和作物生理生态参数进行修正,模拟计算了黄土塬区大田主要作物的模拟产量及水分、养分胁迫状况。

    Taking maize and wheat as example , we tried the use of EPIC model in Loess Plateau , amended some parameters such as soil property and crop physiological ecological characteristics , simulated yield and stress conditions of field crop in Loess Plateau .

  24. 稀土对苗期玉米P吸收的影响不明显,但当剂量低于10kg·hm-2时可促进大田玉米对土壤P的吸收以及体内的P向籽实运移。

    There were no effects of rare earth ( s ) on the P uptake by young maize plants ; however , at doses less than 10 kg · hm-2 , the addition of rare earths improved P uptake by field-grown maize and P translocation towards the grains .

  25. IhmJong-tae把记者带到了大田创新中心的一个3D打印室,指着一个由运动型摄像机制造商TheS打印的相机包原型。该公司是入住该中心的10家初创企业之一。

    Mr Ihm leads the way to a 3D printer room at the Daejeon centre and points out a prototype camera case printed by The S , an action camera maker that is one of 10 start-ups hosted there .

  26. 沙土配比试验设为11个处理,即沙/(沙+土)从0~100kg·100kg~(-1),每10kg·100kg~(-1)为一个处理,为大田试验,小区面积1×1m~2;

    Sand / soil ratio experiment includes 11 treatments from 0 to 100 kg · 100kg ~ ( - 1 ) sand / ( sand + soil ) .

  27. 以垦农4号为材料,在大田小区试验的条件下,研究在初花期叶面喷施EDTA-Mn对大豆叶片光合特性及叶绿体色素的影响。

    After spraying EDTA-Mn , photosynthesis character and chlorophyll pigment of K4 in initial bloom stage were researched in this article .

  28. 而大田对照牡丹种子发芽率仅为52.0%,发芽时间长达190d。

    But the germination ratio of seeds which growed in the field was 52.0 % and the germination time was 190 d.

  29. 不论是筒栽试验还是大田试验,在不同灌水条件下,施用控释氮肥CRNF-1和CRNF-2对冬小麦产量均有显著影响。

    CRNF-1 and CRNF-2 could significantly increase wheat yield under different litigation conditions both in the barrel or the field trial .

  30. 第三部分以鸡粪+秸秆接种与不接种VT菌处理的堆肥产品进行大田作物玉米、蔬菜、花卉的生物肥效实验,分析VT菌对作物产量和品质的影响。

    The three part was studied the effects of the compost product which was designed two disposals of inoculation and without inoculation with straw and chicken manure appended with VT microbial inoculants on the yield and quality of mealie , rape and flower .