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plant productivity
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  单株生产力
    Application of different fertilizers for organic fertilizer≤15 000 kg/hm 2,urea≤150 kg/hm 2,KCl≤225 kg/hm 2,fused calcium magneium phosphate≤450 kg/hm 2,have the apparent effects on increasing the individual plant productivity,the weight of one hundred granule and the weight of one hundred kernel. Organic fertilizer and urea showed more apparently effects.
    增施 :有机肥≤ 150 0 0 kg/ hm2 ,尿素≤ 150 kg/ hm2 ,KCl≤ 2 2 5kg/ hm2 ,钙镁磷肥≤ 4 50 kg/ hm2 ,都能明显提高花生的单株生产力、百果重和百仁重 ,其中有机肥和尿素的效果极明显。
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    When the source-sink was regulated the supply ability of plant and LAI are decreased remarkably, and the single plant productivity is also reduced prominently.
    3.源库调节后,植株源供应能力明显减少,叶面积系数显著下降,单株生产力也显著降低。
短句来源
    The result also showed that the height of the bottom pod in the range of 5-30cm was positively correlated with the plant productivity.
    底荚高度在5—30厘米范围内,其与单株生产力呈显著的正相关。
短句来源
    However , among plant with number of nodes less than 20 there was no relation between the number of nodes and plant productivity.
    主茎节数在20节范围内与单株生产力相关不显著。
短句来源
    The variety X sowing season interaction, as well as the coefficient of genetic variation, heritability, genetic advances and the coefficient of correlation among the agronomic characters of spring soybean sowed in autumn and single plant productivity of spring soybean sowed in spring, was evaluated.
    春播与秋播条件下品种间主要农艺性状的遗传变异系数、遗传力、遗传进度; 以及秋播农艺性状与春播单株生产力的相关等。
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  “plant productivity”译为未确定词的双语例句
    It is generally well accepted that the increase of CO2 concentration will have beneficial effects on plant productivity while ozone is reported as the air pollutant most damaging to agricultural crops and other plant.
    在试验研究的基础上,本文尝试对O_3和CO_2浓度变化对作物的影响进行动态、机理性的模型评估。
短句来源
    Photosynthesis is the basis of plant productivity and crop yield, water stress is a important environmental factor inhibiting photosynthesis.
    光合作用是作物干物质积累和产量的基础,而干旱胁迫是抑制光合作用的重要环境因素。
短句来源
    after peanut blossoming 7 days could promote nitrate reductase activity (NRA), respiration rate of leaves and nitrosen fixation of root nodules,and the nitrogen content in leaves increased. Although application of (NH4)2SO4 as base manure inhibited NRA of leaves and nitrogen fixation of root nodules, it raised the respiration rate and increased the nitrogen content of leaves. All treatments could increase individual plant productivity and protein content of seed.
    NaNO3作基肥或始花后7天喷施500mg/L调节膦均能提高花生叶片的呼吸速率、硝酸还原酶活性和根瘤固氮活性,增加叶片全氮含量.基肥施用(NH4)2SO4却降低了叶片硝酸还原酶和根瘤固氮活性,但叶片呼吸速率与全氮含量仍高于对照.处理的单株荚果产量和种子蛋白质含量均高于对照.
短句来源
    Individual plants of wheat were visually selected in field based on plant height,tillering ability,plant type,ear type,and was further selected according to harvest index and plant productivity of F 2 generation. F 2 selected individual plants derived lines were screened for their yields in randomly designed plot experiments with replicate.
    F2代根据株高、分蘖力、株型、穗型等综合性状进行田间直观选择,结合室内考种结果进一步选择高收获指数和高单茎生产力的类型,在F3及其以后的各代根据衍生株系的小区产量试验结果进行的早代选择效果显著。
短句来源
    Aluminum is one of the major constraints that limit plant productivity in acid soils, which are widely distributed in tropical and subtropical areas.
    铝 (Al) 毒是广泛存在于热带亚热带地区酸性土壤上的主要的生产力限制因子之一。
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  plant productivity
The relation of this phenomenon to auxin and cytokinin accumulation, as well as Ambiol- and 2-CEPA-induced changes in the hormonal balance of potato tubers, carbon metabolism, and plant productivity, is discussed.
      
The feasibility of using double inoculation as a means of increasing the plant productivity is demonstrated, in which the potential of a tripartite symbiotic system (pea plants-root nodule bacteria-arbuscular mycorrhiza) is mobilized.
      
This effect also included an increase in the leaf specific density and plant productivity.
      
Role of the Apoplast in the Control of Assimilate Transport, Photosynthesis, and Plant Productivity
      
The triazoles had positive effects on plant productivity characteristics, such as the number of filled grains in the main spike, total weight of grain per plant (grain collected from the main and lateral spikes), and the weight of 1000 grains.
      
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This experiment was carried out on 1982-1984. Based on the data obtained, the frequency and extent of variation of traits of soybean induced by γ-ray has been analysed and summarized as following:Dry seeds of soybean were treated by 60Cor-ray with 16.9, 18.8, 21.6, 23.4KR. As a result, there was very little effect on the emergence percentage treated by different dosages in M1. The frequency of sterile plants tended to increase as the dosage became stronger. There was quite difference in the radiant sensitiveness...

This experiment was carried out on 1982-1984. Based on the data obtained, the frequency and extent of variation of traits of soybean induced by γ-ray has been analysed and summarized as following:Dry seeds of soybean were treated by 60Cor-ray with 16.9, 18.8, 21.6, 23.4KR. As a result, there was very little effect on the emergence percentage treated by different dosages in M1. The frequency of sterile plants tended to increase as the dosage became stronger. There was quite difference in the radiant sensitiveness among varieties and lines. The frequency of early maturity mutation was low and most of mutation types showed a tendency to late maturity. Some extreme early and late types were correlated with their parents, not with radiation absorption dosages.There were more mutation types in M2 such as growth habit and multi-leaflet. There was also wide variation in 100-seed weight. The mutation types with several changed characters were more frequent than that of single trait. Consequently, some mutation lines with an increase of content of both protein and oil arised; it seemed that gene linkage between oil and protein content was broken. The result also showed that the height of the bottom pod in the range of 5-30cm was positively correlated with the plant productivity. However , among plant with number of nodes less than 20 there was no relation between the number of nodes and plant productivity. Characters of M3 tended to be stable.By micromatations, the yield and content of protein and oil of soybean were increased synchronously, their frequencies were higher. Four mutants from two varieties hanve been developed. Their yield increased 23,43-54. 17% than that of checks,

Cor—射线:处理大豆风干种子,在1.69万、1.88万、2.16万、2.34万rad范围内,不同吸收剂量对M_1代出苗率无影响。不孕株随着剂量加大出现的频率大,品种间辐射敏感性差异很大,早熟突变频率低,大多趋向熟期偏晚,极早熟与极晚熟突变与品种有关,与吸收剂量无关。M_2代诱变的类型比较多,出现结荚习性及“多小叶”突变系。百粒重变异幅度较大。单一性状突变较少,以多性状突变为主,出现了打破基因连锁,蛋白质与脂肪含量同步增加的突变系。同一剂量对不同的品种效应不同。底荚高度在5—30厘米范围内,其与单株生产力呈显著的正相关。主茎节数在20节范围内与单株生产力相关不显著。M_3代各种突变性状趋于稳定。微突变引起大豆产量、蛋白质含量与脂肪含量同步增加的机率大。通过测产,选出了二个品种四个处理比对照增产23.43~54.17%,已提升品种鉴定圃。

Tests on multivariate regressive equation and partial correlation coefficient between 8 characters of 315 Guangdong Spanish-type peanut cultivars were done to analyse the major integrated properties relating to the yield per plant.The results shows that the individual plant productivity is higher when any of them viz.Pods number per plant,number of effective branches,hundred pods weight and seed-producing rate is increased.

本试验对315份广东珍珠豆型花生品种的八个性状间的多元回归方程 偏相关系数进行了测定和检验,分析了与单株产量有关的主要综合性状。试验结果表明,当单株果数、有效分枝数、百果数和出仁率增加时,该品种的单株生产力就较高.

Twenty three genetically stable spring soybean ( Glycine max (L. ) Merr. ) varieties were used to study the effect of autumn sowing on the spring soybean. The variety X sowing season interaction, as well as the coefficient of genetic variation, heritability, genetic advances and the coefficient of correlation among the agronomic characters of spring soybean sowed in autumn and single plant productivity of spring soybean sowed in spring, was evaluated. The results indicated that the difference of primary...

Twenty three genetically stable spring soybean ( Glycine max (L. ) Merr. ) varieties were used to study the effect of autumn sowing on the spring soybean. The variety X sowing season interaction, as well as the coefficient of genetic variation, heritability, genetic advances and the coefficient of correlation among the agronomic characters of spring soybean sowed in autumn and single plant productivity of spring soybean sowed in spring, was evaluated. The results indicated that the difference of primary agronomic characters, the diffrenee between sowing season and the variety and sowing season interaction were significant or highly significent. The effectiveness of direct selection to agronomic character of spring soybean sowed in autumn were lower. But the heritability of the 1 00-seed weight, plant height sowed in autumn were higher. The correlations between single plant productivity sown in spring and autumn sown traits exhibited highly signifi-casnt. The effectiveness of indirect selection on them might be highly effective.

本文以23个春大豆品种(系)为材料,进行了春播和秋播试验。分别估算了春大豆品种×播季互作效应;春播与秋播条件下品种间主要农艺性状的遗传变异系数、遗传力、遗传进度;以及秋播农艺性状与春播单株生产力的相关等。结果表明:春大豆主要农艺性状的品种间、播季间、品种×播季互作效应存在极显著差异。百粒重、株高等农艺性状秋播遗传力较高,秋播变异率较小,遗传进度大,秋播下性状与春播下单株产量相关密切,表明秋播条件下按百粒重和株高等对单株生产力进行间接选择,其效果高于对单株生产力的直接选择,认为春播秋播下两次选择,有助于加快春大豆育种进度。

 
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