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crop varieties
相关语句
  作物品种
    Programming for DTOPSIS Method and its Application in Appraising New Crop Varieties
    DTOPSIS法的程序设计及其在作物品种评价中的应用
短句来源
    Analysis on Planting Situation of Major Crop Varieties in Primary Grain Crop Production Region of Heilongjiang Province
    黑龙江省粮食主产区主要作物品种种植情况分析
短句来源
    EFFECT OF Al ON THE MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERS OF CROP VARIETIES WITH DIFFERENT TOLERANCES
    铝(Al)对不同耐性作物品种形态和生理特性的影响
短句来源
    Approach to Assessement of Test Location Effects in Regional Trial of Crop Varieties
    作物品种区试场点试验效果评价方法的探讨
短句来源
    THE ULTRAWEAK BIOPHOTON EMISSION OF DIFFERENT CROP VARIETIES
    不同作物品种超弱生物光子发射的比较
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  农作物品种
    Analysis of Main Crop Varieties and Qualities in Tibet
    西藏主要农作物品种品质分析研究
短句来源
    Application of Grey Relativity Analysis to Comprehensive Evaluation of Crop Varieties
    灰关联分析法在农作物品种综合评判中的应用
短句来源
    A Humble Opinion on the Climate-Tolerance of Crop Varieties
    浅议农作物品种的耐候性评价
短句来源
    Method of Entropic Coefficients for Comprehensive Evaluation of Crop Varieties
    农作物品种综合评判的熵权系数法研究
短句来源
    The paper explored the rank analysis method about non balance data i n mid long run regional trials that the crop varieties and test locations varied frequently. The yield character of summer soybean regional trials during 1989~1 999 in Beijing was used as an instance to explain the method.
    本文探讨了农作物品种和承试地点变换频繁的中长期滚动式品种比较试验非平衡数据资料的秩次分析法 ,并利用北京市 1989~ 1999年夏播大豆区域试验产量性状资料的实例 ,介绍其分析方法
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  “crop varieties”译为未确定词的双语例句
    ACHIEVEMENT AND PROSPECT OF NEW CROP VARIETIES BREEDING IN CHINA
    中国作物新品种选育成就与展望
短句来源
    With the improvement of cultivation practice and directional breeding of new crop varieties,the harvest index of cereal crops has enhanced universally to 0.4~0.5 from about 0.3,and even to 0.6.HI has higher hereditary capaciuy,but is influenced by agronomical practice.
    随着作物新品种的定向选育和栽培措施的不断改善,禾谷类作物的收获指数已由过去的0.3左右提高到现在的0.4~0.5,有的甚至达到了0.6。 HI有着较高的遗传力,同时也受到环境条件的制约。
短句来源
    The Rank Analysis Model of Evaluating Crop Varieties Yield Stability in Regional Trials
    作物区试中品种稳定性评价的秩次分析模型
短句来源
    Research and Application of Drought-Resistant Identification Index of Major Crop Varieties
    主要作物新品种抗旱性鉴定指标的研究与应用
短句来源
    Standardizing Administration and Improving the Quality of "The Later Subsidy" of New Crop Varieties
    规范管理 提高农作物新品种“后补助”质量
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  crop varieties
Large-scale implementation of transgenic crop varieties raises concerns about possible nontarget effects on other organisms.
      
The results imply that the foraging success of natural enemies of pests can be enhanced by breeding for crop varieties that release specific volatiles.
      
The results are discussed in the context of the possibility of breeding crop varieties that are particularly attractive to parasitoids.
      
The hypothesis of biological simplification (genetic erosion) is tested with evidence from Andean agriculture, where farmers maintain a significant degree of crop diversity even as they adopt modern crop varieties.
      
Accumulation of metals (Cu, Fe, Mn, Cd, Cr and Pb) was estimated in the root, shoot and edible parts of different crop varieties grown in pot culture up to maturity and treated with industrial effluent.
      
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Poor soil fe(?)tility, dry climate and low efficiency of utilization of natural rainall alongside the monocultivation and cultivation of a big acreage with a low yield in the loess hilly semiarid area in west part of Shanxi have long caused unstability in agricultural production. A series of experiments and demonstrations in completion were carried out in 1984-1985, through which a complete set of agrotechniques for the yield increase of rainfed agriculture have been summed up such as the betterment of soil...

Poor soil fe(?)tility, dry climate and low efficiency of utilization of natural rainall alongside the monocultivation and cultivation of a big acreage with a low yield in the loess hilly semiarid area in west part of Shanxi have long caused unstability in agricultural production. A series of experiments and demonstrations in completion were carried out in 1984-1985, through which a complete set of agrotechniques for the yield increase of rainfed agriculture have been summed up such as the betterment of soil fertility, tillage for water storage,selection and application of drought-resistant crop varieties, rational close planting (?) m(?)nagements".Th(?)s far,the yiell of grain crops have (?)oubled and economical returns have increased nearly 10 times as much.

晋西黄土丘陵半干旱地区土地瘠薄,气候干旱,自然降水利用率不高,加之单一种植,广种薄收,使农业生产长期低而不稳。1984—1985年,在对该地区旱作农业生产技术综合开发研究中,经过系列化配套试验、示范,总结出了以培肥改土、蓄水耕作、选用抗旱良种、合理密植、“五早”管理等一套旱作农业增产技术,取得了粮食翻番,经济收盖近10倍增长的效果。

The comprehensive technical package suitable to rainfed agriculture in Jingxingmountain area has been summed up through 3 years'demonstration studies of perfectionof comprehensive agro-techniques in rainfed agriculture in mountain area.The wholetechincal package should include classification of rainfed agricultural zones,adaptationof systematic moisture storage and moisture conservation,readjustment of crop struc-ture,selection of fine drought-resistant crop varieties,scientific and rational fertiliza-tion,simultaneous...

The comprehensive technical package suitable to rainfed agriculture in Jingxingmountain area has been summed up through 3 years'demonstration studies of perfectionof comprehensive agro-techniques in rainfed agriculture in mountain area.The wholetechincal package should include classification of rainfed agricultural zones,adaptationof systematic moisture storage and moisture conservation,readjustment of crop struc-ture,selection of fine drought-resistant crop varieties,scientific and rational fertiliza-tion,simultaneous utilization of traditional and modern rainfed agrotechniques,and si-multaneous combination of bilogical measures with engineering practice.In this way,per mu yield of 117.4 kg in poor rainfed land can be raised to 273.6 kg per mu.

通过3年的山区旱作农业综合配套技术示范研究,总结出了适于井陉山区旱作特点的综合技术措施:进行山区旱作类型分区;采取系统蓄墒保墒;调整作物结构;选用抗旱优种;科学合理施肥;传统与现代旱作技术并用;工程与生物措施并举,使试区亩产117.4kg的低产旱田提高到273.6kg的水平。

The basic characteristics in dryland farming in Hebei low plain area are:the random distribution of irrigated and rainfed lands;gradual short supply of irrigationwater;concentrated rainfall causing seasonal droughts;high multiple index,etc. The re-cent studies indicate that early maturing crop varieties can alleviate the droughts;in-creasing fertilizer application can raise water use efficiency;cultivation timely followingrainfall can ensure the full seedlings and regulate soil moisture;and exploiting...

The basic characteristics in dryland farming in Hebei low plain area are:the random distribution of irrigated and rainfed lands;gradual short supply of irrigationwater;concentrated rainfall causing seasonal droughts;high multiple index,etc. The re-cent studies indicate that early maturing crop varieties can alleviate the droughts;in-creasing fertilizer application can raise water use efficiency;cultivation timely followingrainfall can ensure the full seedlings and regulate soil moisture;and exploiting subsurface water in the shallow layer can considerablly increase the yields of cereal crops andcotton.

河北省低平原旱作农区,水旱地插花状分布,水资源日趋紧缺,降水集中造成季节性干旱以及较高的复种指数是当地农业的基本特点。研究表明:早熟品种具有明显地避旱特性;增施肥料能提高水分生产效率;因雨耕作对土壤水分进行调控能确保全苗;开发利用浅层地下水能显著提高粮棉产量。

 
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