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crop varieties
相关语句
  作物品种
    The Analysis of Variance for Regional Tests of Crop Varieties
    作物品种区域试验的方差分析
短句来源
    The Analysis of Variance for Regional Tests of Crop Varieties (Continued)
    作物品种区域试验的方差分析(续)
短句来源
    BASIC Program in the Analysis of Variance for Regional Tests of Crop Varieties
    “作物品种区域试验的方差分析”的电算程序
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    The Application of Gliadin Gel Electrophoresis in Identification of Crop Varieties
    醇溶蛋白凝胶电泳方法在作物品种鉴定中的应用
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    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
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  农作物品种
    CROP VARIETIES INDUCED BY LASER IN CHINA
    我国激光育成的农作物品种
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    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
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    Tangmai6 was examined and approved by commissions for examination of crop varieties at Hebei provincial level in April,2003.
    2003年4月通过河北省农作物品种评审委员会审定。
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    A Humble Opinion on the Climate-Tolerance of Crop Varieties
    浅议农作物品种的耐候性评价
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  “crop varieties”译为未确定词的双语例句
    A PRELIMINARY STUDY ON MULTIFACTORIAL EVALUTION OF NEW CROP VARIETIES WITH THE APPLICATION OF THE GREY SYSTEM THEORY
    灰色系统理论应用于作物新品种综合评估初探
短句来源
    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 mechanism of linear regression analysis, decomposing of Shukla interactive variance method, and AMMI model were introduced as crop varieties stability analysis methods in crop regional trials.
    介绍和比较了直线回归法、Shukla互作方差分解法和AMMI模型法在作物区域试验中分析品种稳定性的原理和方法,并以长江流域棉花品种区域试验的产量数据为实例,研究了3种方法对品种稳定性分析的效果。
    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
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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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Based on the theory of fuzzy mathematics and in line with the actual problems in agricultural research, the article attempts to give a quantitative description of some fuzzy phenomena. The quantitative variation in the effects of different methods of fertilization is analysed by forming a membership function of fuzzy subsets. The similar relationship between different varieties is determined by calculating the normal neartude of growth characteristics of crop varieties. Through fuzzy clustering analysis,...

Based on the theory of fuzzy mathematics and in line with the actual problems in agricultural research, the article attempts to give a quantitative description of some fuzzy phenomena. The quantitative variation in the effects of different methods of fertilization is analysed by forming a membership function of fuzzy subsets. The similar relationship between different varieties is determined by calculating the normal neartude of growth characteristics of crop varieties. Through fuzzy clustering analysis, we classified numerically soil samples with a number of characteristic quantities. Using dynamic fuzzy clustering method, we also classified numerically the cold resistance of different varieties of rice. The major variety is selected through comprehensive assessment of the adaptability of different varieties of rice. The author believes that fuzzy mathematics will find wide use in agricultural science.

本文以模糊数学理论为基础,结合农业科学研究中的实际问题,试图使某些模糊性事物得到数量化描述。通过建立模糊子集的隶属函数,来分析不同施肥方式的效应之间的数量差异。通过计算作物品种生育特征的正态贴近度,来鉴定不同品种间的相似关系。应用模糊聚类分析,对包含多种特征量的土壤样品进行数值分类。还应用动态模糊聚类方法,对水稻不同品种的抗寒性进行数值分类。通过对不同水稻品种的适应性,进行综合评判,来选定主栽品种。笔者认为模糊数学在农业科学中得到广泛的应用是可能的。

The new spring wheat variety "Jimai No.2 " has been developed from the composite cross (Luo 16×Longchun No.1) × Liaochun No.7 through many years evaluation. It gained higher yield than the control "Xinshuguang No.1" by 12.4% at 18 sites in the combined Regional Test for Dry-land Wheat Varieties from 1983 to 1985, ranking first among the entries evaluated. It also performed much better than the control(increasing yield by 15.4%) in the large scale production test in Qianguo and other three counties in 1985....

The new spring wheat variety "Jimai No.2 " has been developed from the composite cross (Luo 16×Longchun No.1) × Liaochun No.7 through many years evaluation. It gained higher yield than the control "Xinshuguang No.1" by 12.4% at 18 sites in the combined Regional Test for Dry-land Wheat Varieties from 1983 to 1985, ranking first among the entries evaluated. It also performed much better than the control(increasing yield by 15.4%) in the large scale production test in Qianguo and other three counties in 1985. After careful investigation and certification, Jimai No.2 was so named by the Evaluation Committee for Crop Varieties in Jilin Province. Jimai No.2 belongs to the variety erythro-spermum Korn with spring growth habit. It has a growing length of 82 days or so and develops slowly but steadily and strongly during prophase, with resistance to drought and salty-alkaline soil. The grain-filling rate of it is also very high with better quality for losing green color and humidity resistance during anaph It is resistant to many sorts of diseases such as Black loose smut of wheat, Black stem rust and tiller rust, and to Powder mildew and Foot root of wheat to some extent. To make use of its character of large spikes and grains, more fertile tillers and seeds,an appropriate planting density ought to be employed according to the soil fertility and moisture in a region. The cultivation with more fertilizer and water is not suitable, but multiple cropping is suitable after harvesting the crop of this variety.

“吉麦2号”是以(罗16×陇春1号)×辽春7号复合杂交育成。1983年—1985年吉林省春小麦新品种联合区域试验(旱作组)及1985年在前郭等4县生产示范试验中,平均比对照品种新曙光1号分别增产12.4%和15.4%,表现优良,增产显著。1986年3月20日经吉林省品种审定委员会审定,通过“农大836”为春小麦新品种,定名“吉麦2号”。确定在吉林省中、西部等旱种地区推广种植。“吉麦2号”属春性,出苗至成熟82天左右,生育前期生长稳健,抗旱和抗盐碱性土壤能力较强;生育后期灌浆速度较快,耐湿性强,成熟时落黄好;抗秆锈病和叶锈病,鞍抗散黑穗病,白粉病和根腐病发病轻。根据土地肥力与土壤水分状况切实掌握适宜密度,以充分利用该品种分孽力较强、成熟率高、穗大、粒多、粒重等特点获得好收成;不适于大肥大水条件栽培,是复种的较好前作物品种。

This paper deals with research results concerning plant response to water with priority given to dryland farming production in the past. The efficiency of plant response to water can provide a macro-decisive and objective reference for agricultural planning,crop patterns and agricultural productive plans in the possible application to developing agricultural production. The difference of efficiency of plant response to water between interspecies and crop varieties reaches 2-5 times in general with significant...

This paper deals with research results concerning plant response to water with priority given to dryland farming production in the past. The efficiency of plant response to water can provide a macro-decisive and objective reference for agricultural planning,crop patterns and agricultural productive plans in the possible application to developing agricultural production. The difference of efficiency of plant response to water between interspecies and crop varieties reaches 2-5 times in general with significant difference in interspecies, which is far greater than that in crop varieties. This can provide a base for introduction and selection of high efficiency of crop response to water.The environmental factors and cultivation practices may have a great impact upon the efficiency of crop response to water.The atmosphere with saturated or stressed moisture and light and soils with avialable moisture and mineral nutrients have also, important effect upon the efficency of crop response to water.Research Information will provide the base for improving the efficiency of crop response to water by artificiae interference.

本文综合论述了与旱作农业生产有关的植物水分利用效率方面的研究成果,主要是旱作农业生产中,如水分利用效率在发展农业生产方面可能的应用。农作物水分利用效率的种间和品种间差异,以种间差异极为显著,一般相差达2—5倍,远大于品种间差异,这就为引种和选育高水分利用效率作物品种提供根据;环境因素及栽培措施对于用水效率的影响,大气因素以水分饱和亏缺和光照,土壤因素以有效含水量和矿质营养最为主要。研究资料为人工干预以提高用水效率,及农业观划、作物布局等提供了参考依据。

 
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