经济产量

施尿素可提高经济产量，以每公顷施300kg以上为好。实行周年采伐还必需加强林政管理，以杜绝乱砍乱伐现象发生。

Application of urea could increase economic yield , over 300 kg / hm2 . Meantime , forestry administration should be enhanced .

连续4年结果表明，土壤容重1.2g／cm3和1.3g／cm3处理经济产量和生物学产量均极显著高于其它处理；

The 4 year results showed that both biological and economic yield in 1.2 g / cm 3 and 1.2 g / cm 3 bulk density treatments were significantly higher than that in any other treatments .

促进了萝卜的生长发育和代谢作用，萝卜的生物产量、经济产量、还原糖和维生素C的含量均明显提高。

The reducing sugar and vitamin C in radish also increased markedly .

结果表明，CO2浓度递增，生物总量与经济产量均为增加；

The results showed that plant height , economical yields and biomass production increased with CO 2 concentration increase .

通过三因子正交旋转组合设计综合分析试验资料，分别建立了经济产量（Y）及水分利用效率（WUE）的数学模型。

Two mathematical models were established based on the data from three-factor quadratic rotational regression design experiment .

UV-B增加处理下玉米的经济产量、生物产量、经济系数均减少，且经济产量受到的影响更大一些。

Enhanced UV-B radiation reduces the economic outputs , the biological outputs and economic coefficient , with bigger influence on the economic outputs .

随着N肥（尿素）用量的增加，菜心经济产量增加，但产量的增加幅度随着N肥用量的增加而降低。

With the increase of N ( Urea ) application , economical yield of the flowering Chinese cabbage enhances too . But the extent of increasing in economical yield become smaller when the N ( Urea ) application is increased .

结果表明，该基因能提高叶绿素b含量1倍以上，总叶绿素含量25%左右，光合作用速率20%左右；提高生物产量和经济产量16%以上，降低垩白粒率17%左右。

The results showed the high chlorophyll gene can increase chlorophyll b by 1 times , total chlorophyll by 25 % , the rate of photosynthesis by 20 % , and biomass and grain yield by 16 % , and decreased chalky grain rate by 17 % .

结果表明，CO2浓度增加促进了玉米的生长和发育，物候期提前，光合速率增大，蒸腾系数减少，加快了根、茎、叶等干物质积累，提高了生物产量和经济产量。

The experiments show that increasing CO2 concentration can promote growth and development of maize , shorten phenophase , enhance photosynthetic rate , decrease evaporation rate , step up biomass accumulation of roots , stems and leaves , and increase biolgical and economic yields .

低分子有机物质处理均提高了辣椒的平均单果质量和生物产量；甲酸、乙酰丙酸和有机酸钾处理与CK相比显著提高了辣椒的生物产量和经济产量；草酸处理降低了经济产量。

Low molecular organic matter all increase the average fruit mass and biomass yield ; Formic acid , Levulinic Acid and Organic Acid Potassium fertilizer significantly increase biomass yield and yield compared to the control ; Oxalic acid decrease yield .

利用数量遗传模型对P1、P2、F1、F2,3等4个世代的相对分蘖率、有效穗、生物产量及经济产量等性状进行了遗传分析。

Relative tillering ability , available spike , biomass , and grain yield of P1 , P2 , F1 , and F2 , 3 were used to study the genetic development of rice related to phosphorus efficiency with a quantitative genetic model .

大田试验结果表明，经济产量以中灌（1050m3/hm2·次）和高磷（150kg纯P2O5/hm2）处理最高。

From field experiment , it were also indicated that crop economic yields got to the highest under the treatment of middle irrigation ( W2:1050m3 / hm2 ) and high phosphorus ( P2:150kgP2O5 / hm2 ) .

黄瓜（Cucumissativus）是国内外温室栽培的主要作物之一，黄瓜的经济产量主要取决于单果的大小、鲜重、采收日期及单株的总鲜重。

Cucumber ( Cucumis sativus ) is one of main greenhouse crops in the world ; the economic yield of cucumber mainly depends on the fruit size , fresh weight and harvest date of individual fruit and the total fresh weight per plant .

从蔬菜营养品质和经济产量综合考虑，田间栽培和无土栽培的小白菜、菠菜和生菜的最佳施氮水平为N100（150㎏/hm2）。

Taking the good vegetable nutritious quality and relatively high economic yields into consideration , the most suitable nitrogen fertilizer amount was N10 ( 0150 ㎏ / hm2 ) in the soilless and open field culture .

结果表明：在一定施氮范围内，芥蓝单株经济产量和生物产量都随着施氮量的增加不断提高，当施氮水平达到1N以上时，施氮量的增加对芥蓝产量无明显影响。

In proper range of nitrogen level , the yield and biomass of Chinese Kale increased with the increasing of nitrogen level , but when nitrogen level ( exceed ) 1N , the yield was not affected significantly with the increasing of nitrogen level .

本文通过田间试验、人工气室模拟试验、历史资料统计分析及采用CERES冬小麦模式，分析高温对小麦（春小麦、冬小麦）发育历期、产量结构及经济产量的影响。

Using field experiments , artificial chamber simulated experiments , historic data statistic analysis and CERES winter wheat models , the impacts of " higher-temperature " on both winter wheat and spring wheat development stage , production structure and economic yield are analysed .

石油企业单井经济产量的分析与评价研究

Analysis and Evaluation Study of Single-Well Economic Output in Petroleum Enterprises

干物质积累是水稻经济产量的基础。

Dry matter accumulation is basis for yield formation of rice .

说明在缺锌土壤中，施用锌肥能有效改善果实品质提高经济产量。

Thus Zn application improve the quality of fruit and economic output .

用投入产出分析法确定石油经济产量规模

Determining Economic Production Scale of Petroleum by Input Output Analysis

这使得最大经济产量研究几乎不可能。

This fact makes Maximum Economic Yield or MEY results almost impossible .

原油经济产量分析方法研究

The analytical approach of the economic yield of crude oil

麻竹笋期生物学特性和经济产量的研究

The biological characteristics and the production of Dendrocalamus latiflorus in shoot periods

油菜收获指数对经济产量的贡献

Contribution of Harvest Index to Seed Yield of Rapeseed

施氮结构对茎用莴苣经济产量与品质的影响

Effect of nitrogen fertilizer structure on the economic yield and quality of lettuce

特早熟夏播玉米密度与经济产量及产量性状的关系

Comparisons between Economic Yield , Yield Character and Density on Especial-early Summer Corn

干重和分蘖及经济产量都有最大的相关。

And economic production has the greatest correlation with dry weight and tillering .

经济产量的变化与物质生产量的变化趋势相似。

Changes in grain yield and dry material production were similar to those trends .

油田开发初始经济产量计算方法研究

The computing method of economic flow rate in oilfield ′ s early production period

因此最高产量是为研究工作者，最大经济产量是为农民。

So maximum yield is for researcher ; maximum economic yield is for farmer .