planting density的例句大全

In cool-warm japonic rice area, it's optimum planting density is 450,000 hills per hm2 and two seedling per hill. the difference between the yields of different planting density is significant at 5% level in both experiments.

在温凉粳稻区的栽插密度以45.0万丛/hm2,2苗/丛产量最高，不同栽插密度之间产量差异达显著水平。

On the basis of tree edge growth effects, the suitable planting density, reasonable spacing of planting spots and optimum patterns were suggested for poplar plywood plantations.

笔者根据林分边行生长优势原理，提出了杨树胶合板材人工林的适宜造林密度，合理的种植点配置方式和优化的杨粮间作模式，为平原农区发展杨树胶合板材人工林基地提供了依据。

In the range of 10 and 30 degrees, planting density was not sensitive to slope gradient.

坡度小于10°时，适宜造林密度对坡度反应敏感，在10°~30°时，适宜盖度对坡度反应不敏感。

Effect of Planting Density on Yield of Table Waxy Corn

密度对鲜食糯玉米产量的影响

Lower maize planting density would increase flecks of sunlight and PAR transmittance evidently in canopy bottom.

稀植会明显增加冠层下部的光斑和平均PAR透光率。

Research on effects of planting density and fertilizing norm on live leaf and decrepit parameters of Spring Wheat

密肥因素对春小麦绿叶生长、衰老参数的影响

Study on the Effects of Development of Mazie Ear and Tassel on Yield under Different Planting Density

不同密度对夏玉米雌雄穗发育和产量影响的研究

Planting Density in Dwarfing and Closer Cultivation of Apple

苹果矮密栽培的栽植密度

To provide the theoretical basis of Vegetation instauration constructs and the the choice of Planting density in the region.

旨在为该地区的植被恢复建设和造林密度的选择提供理论依据。

The Study on the Method of Well-bred Selection Based on Photosynthetic Capacity Effect of Planting Density on Photosynthetic Capacity of Different Pumelo ( Citrus grandis Osbeck) Varieties

光合性能选种法研究栽植密度对不同柚品种光合作用能力的影响

This variety is suitable for seeding on the 5th-the 15th of June. Its planting density is 12,500-16,000/ 667 m2.High yield could be obtained if rational fertilization, irrigation, disease and pest insect control are applied.

该品种适宜6月5日至15日播种，密度1.25~1.60万株/667m2，底肥、追肥合理施用，及时灌溉和防治病虫害即可获得较高的产量。

Study on Rice Physiological Characters for Different Planting Density after Earing

不同密度水稻抽穗后生理特性的研究

one of the key factors influencing the output and quality of the gynostemma pentaphyllum is the planting density.

选择合理栽植密度是提高绞股蓝产量和质量的技术措施之一。

the gross wood yield of stands increased with stand age, and increase with initial planting density increasing at the same stand age, and increased with the site index increasing when the initial density was same.

林分的总出材量随着林龄的增加而增加；林龄相同时，随着初植密度的增加而增大；初植密度相同时，随着立地指数级的增大而增大。

Effects of the Content of Main Chemical Composition of Slash Pine for Pulpwood on Planting Density

湿地松种植密度对纸浆材主要化学成分的影响

As planting density increased, the growth ring width and tracheid row decreased but proportion of late wood increased.

造林密度大，则生长轮变窄，管胞列数减少，晚材率增加。

Effect of Planting Density on Yield of Chinese Cabbage at High Altitude Areas

高海拔地区大白菜栽植密度与产量的关系

The differences in light conditions, CO_2 exchanging rates and nutritive area per plant in these two grasses by planting density treatment would not be the same as usual.

不同栽植密度，使得草种对光照条件、CO2流通率以及单位植株营养面积表现出巨大差异，导致形成的生物量也不尽同。

Effects of planting density on assimilation, accumulation, distribution and use efficiency of nitrogen in late sowing winter wheat

种植密度对晚播冬小麦氮素同化积累分配及利用效率的影响

An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season.

获得高产必须采用最适植株密度，视土壤条件、品种分蘖力、肥力水平、每蔸苗数和播种季节而定。