yield reduction

the order of yield reduction in two varieties under the same water stress condition was treated during panicle formation stage> treated during tillering stage> treated during 1~ 10 days after heading> other treatments.

两品种相同水分胁迫条件下的减产幅度以穗分化期>分蘖期>抽穗后1~10天处理>其它处理。

互联网摘选

Gray leaf spot damages leaves at or just after silking stage and causes severe yield reduction.

灰斑病菌在抽丝期期间或结束后损害叶片,导致严重减产.

互联网摘选

the yield at final reduction stage can reach 86%. this process features simplicity of technology and less pollution by three waste.

此反应还原收率达86%，且工艺简单，三废污染少。

互联网摘选

then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues.

再通过合理的假设，建立用于计算直径增长的计算机逻辑框图。

互联网摘选

all these processes yield the reversible reduction wave of irisquinone.

上述过程产生马蔺子素可逆还原波。

互联网摘选

combination application of mineral fertilizer and manure was the best practice to reduce n2o emission without significant yield reduction.

在产量无显著下降的情况下，有机无机配施的减排效果最好。

互联网摘选

results obtained in this research provide scientific guidance for further industrialization, yield enhancement and cost reduction.

本研究的成果为进一步进行工业放大以及提高收率、降低成本提供了科学依据。

互联网摘选

the result of sensitivity analysis for yield strength reduction factor and coordination coefficient indicates that the influence on useful life of reinforced concrete beam bridges by selecting different parameters is greater than carrying capacity.

对钢筋屈服强度降低系数和钢筋混凝土协同工作系数进行了敏感分析，认为采用不同系数对使用寿命预测的影响远大于对承载力预测的影响。

互联网摘选

if 10%~ 15% of yield reduction is taken as a standard for selection of soybean drainage index, correspondingly, the dominated index sew 30 for drainage should be 150~ 200 cm · d in pod bearing period of soybean.

如果以减产10%～15%作为大豆排水控制指标选择的标准，则相应的大豆结荚期排渍控制指标以150～200cm·d为宜。

互联网摘选

risk evaluation technology of loss ( yield reduction rate) caused by disasters, indices and methods taken to reduce risk.

致灾损失（减产率）的风险评估技术，致灾指标的风险评估技术，减灾措施降低灾害风险的评估技术。

互联网摘选

generally, in the same high temperature year, the maximum yield reduction rate of medium rice was larger than early rice.

在相同的高温年份，中稻的最大减产率值一般要大于早稻。

互联网摘选

by comparing soil's critical heavy metal concentrations which could cause yield reduction and over-standard metal accumulation in test vegetable with actual soil conditions in shanghai vegetable growing area, it was found that cd in soil was the most important pollutant.

将试验得到的青菜减产及残留超标的土壤元素临界浓度与上海菜区土壤状况相比较发现，在目前菜区土壤条件下造成蔬菜中残留明显超过标准的主要是镉。

互联网摘选

the features of erosion, sediment yield and sediment reduction by the comprehensive controlling are studied in zhifang gully catchment.

该文以纸坊沟流域为例，分析了治理小流域侵蚀特征、产沙特征及综合治理减沙效益。

互联网摘选

analysis on the meteorological conditions of yield reduction of summer harvest crop in jiangsu in 1998

江苏省1998年夏熟作物减产气象条件分析

互联网摘选

metabolism of sulfur compounds which yield h2s, nitrate reduction and degradation of organic phosphorus compounds are key members of the vibrio bacteria.

其中代谢硫化合物产H2S、还原硝酸盐和降解有机磷化合物的主要成员是Vibrio属的细菌。

互联网摘选

the physiological and biochemical mechanism of the yield reduction of continuous soybean cropping

连作大豆减产的生理生化机制

互联网摘选

the cause and countermeasure of soil degradation and yield reduction of artificial fir plantation

杉木林地力衰退与产量下降的原因及对策

互联网摘选

cause and mechanism of crop yield reduction under straw mulch in dryland

旱地秸秆覆盖条件下作物减产的原因及作用机制分析

互联网摘选

among the yield components, decreases in number of panicles per pot and seed setting rate were two main reasons for the yield reduction.

在产量构成因子中，每盆穗数和结实率是影响产量的两个主要因子。

互联网摘选

Under the condition of water shortage, the system might supervise the allocation of water amount on the basis of time so as to minimize the reduction of output, and the quantity of yield reduction under optimal irrigation schedule could be forecasted.

在供水量不足的情况下，系统可指导如何在时间上分配水量以使减产最小，且可得知在这种灌溉方式下的具体减产量。

互联网摘选

the yield reduction of soybean in continuous and one year interval cropping is caused by multiple factors interacting comprehensively.

研究认为：大豆重迎茬减产原因是多因素综合作用的结果。

互联网摘选

current grain yield reduction at different spatial scales in china

现阶段中国不同尺度的粮食减产类型分析

互联网摘选

The effect of loading rate, test temperature and pre-plastic deformation on hydrogen induced apparent yield stress reduction have been investigated.

研究了变形速度，试验温度以及预先塑性变形程度对氢致表观屈服强度下降的影响。

互联网摘选

Integrated Harness of Water Yield Reduction in LiJiang River Basin of Guilin, Guangxi

广西桂林漓江流域水量减少的综合治理

互联网摘选

studies on the effect of farmland windbreak on preventing rice lodging and yield reduction under violent tropical storm in coastal regions of jiangsu show that the percentage of rice lodging on the farmland with and without windbreaks is respectively 16.28% and 49.73%.

对江苏沿海地区（强）热带风暴条件下农田林网防止水稻倒伏和减产效应的研究表明，有林网农田的水稻倒伏率为16.28%，无林网农田为49.73%；

互联网摘选

action of irrigation on decreasing yield reduction due to drought: a risk assessment of winter wheat in north china plain

灌溉降低华北冬小麦干旱减产的风险评估研究

互联网摘选

yield reduction of corn caused by the european corn borer at different developmental stages

玉米不同生育期遭受螟害对产量损失的影响

互联网摘选

under soil water stress, the activity of superficial roots was enhanced. yield reduction by cutting superficial roots at pi was higher than at fl.

然而，在土壤水分胁迫下，表层根系活力提高。

互联网摘选

the overall yield of nitration, reduction and substitution is 40.8%.

硝化、还原、取代三步反应的总收率为40.8%。

互联网摘选

study on the physiological mechanism and production countermeasures of yield reduction of potato caused by freeze injury in early spring

早春马铃薯冻害减产的生理机制及生产对策研究

互联网摘选