Ways of improving crop yield per unit area and the countermeasures.
提高作物单产的途径与对策。
There is potential for increasing the yield per unit area on the existing cultivated land.
提高现有耕地单位面积产量有潜力。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
可燃物负荷是测量每块地区可得燃料的数量,通常是每英亩的吨数。
The amount or degree of strength of electricity, light, heat, or sound per unit area or volume.
强度程度单位电、光、热或声的强度的量或程度。
The number of panicles per unit area was the most important yield components in determining final yield.
单位面积小穗数是决定最终产量最重要的产量构成因素。
This tree cultivation, increased per unit area of the long and leaves though, can play an important role.
这在培养树形、增加单位面积条长和叶虽方面,可起到重要的作用。
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
当采油树或防喷器组关闭时,施加在井口单位面积上的力称之为为关井压力。
For example, the use of TDR may allow for increases in the number of dwelling units per unit area and increases in floor area ratios.
例如,TDR的使用可能允许在住宅单位,每单位面积和建筑面积比例的增加数量的增加。
And it was more significant to achieve higher yields by increasing grain number per spike than by enhancing spike number per unit area.
通过增加穗粒数来实现高产比增加单位面积穗数意义更大。
Because of the diminishing opportunity to expand cultivated land, researches have been mostly focused on the rise of yield per unit area.
由于扩大耕地面积的可能性越来越小,研究已主要集中于提高单位面积产量。
It was found that the oxygen concentration on carbon black surface is proportional to the ozone supplied per unit area of carbon black surface.
研究表明,碳黑的表面含氧量与提供给单位碳黑表面的臭氧量成正比。
The bolls per unit area of cotton leafy shoots retained at low density could reach the same level as cotton leafy shoots removed at normal density.
低密度下留叶枝单位面积成铃可以达到高密度下不留叶枝的水平。
An important method of increasing rice yield per unit area is to improve the rice-planting mechanization lever and use advanced planting technology.
提高水稻单产的一项重要措施是提高水稻种植机械化水平,即采用先进的种植技术。
For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.
针对本工程为重型钢结构,对厂房采双层格构式刚性支撑方案,单位面积用钢量节省10%左右。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
Increasing the applying amount of nitrogen and phosphorus could all promoted nitrogen and phosphorus content in plants and total dry matter weight per unit area.
增施氮磷用量,均可提高油菜植株氮、磷含量和单位面积的总干物重。
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田,稳定粮食播种面积,优化粮食品种结构,着力提高粮食单产。
This thesis study one of important factor in per unit area yield travel speed measure device and his sensor choice and relevant error analysis of form especially.
本论文重点是对单产的重要因素之一的行驶速度测量装置及其传感器形式的选择和相关误差分析进行了研究。
Moreover, the application of angle-count cruising to calculating the stand volume, standard stock number, stand weight and stock number per unit area, is discussed.
本文探讨了角规测树法在测算毛竹林分蓄积量、标准株数、林分重量及单位面积株数中的应用。
Increasing yield level per unit area is forever theme for rice breeding aim, and advancing photosynthesis efficiency is one of key factors for improving grain yield.
提高单位面积的产量是水稻育种目标永恒的主题,提高光合作用效率又是提高产量的关键因素。
The measured CO2 values are substituted in a formula to calculate the CO2 flux per unit area and per unit time at different depths under standard atmospheric pressure .
将测得的CO2浓度值代入计算公式,即可求得标准大气压下某一深度土壤单位面积、单位时间内的CO2通量值。
The result of experiments shows that the inclined plate settlers have a high throughput per unit area and the degree of separation compared with common gravity settler.
结果表明,斜板沉降器的处理负荷与同尺寸的普通重力沉降器相比有大幅度的提高。
The paper puts forward the quantization formula by regarding fictitious yield per unit area as one way of contrasting and evaluating the economic results of aquaculture.
本文提出以虚拟单位产量作为比较与评价水产养殖经济效果的一种方法,给出了量化公式。
The bone mineral density (BMD) means the bony mineral quantity per unit area, which is an important index reflecting the metabolic status of the skeleton of human being.
骨密度是指骨单位面积所含的骨矿物量,它是反映人体骨骼代谢状况的一项重要指标。
But many defects exist in the pear industry such as unreasonable varieties structure, low yield per unit area, the shortage of high quality fruits, poor benefit and so on.
但是,从整个梨产业结构来说还存在不少问题,如品种结构不合理,单位面积产量低,优质果少,经济效益差等。
But many defects exist in the pear industry such as unreasonable varieties structure, low yield per unit area, the shortage of high quality fruits, poor benefit and so on.
但是,从整个梨产业结构来说还存在不少问题,如品种结构不合理,单位面积产量低,优质果少,经济效益差等。
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