planting density

The density of the stand for producing middle pole trees should be 3 460 tree per hectare, the spacing should be 1.7m × 1.7m. ( 2) high planting density and severe thinning regime is favorable to all kind of timber production;

中径材1.7m×1.7m，3460株/hm2。（2）采用较高的初植密度，并采用强度较大的间伐机制，对小径材和大、中径材的生产都是有利的；

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。

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 quantitative relationship between planting density and soil water supply and water consumption is derived consequently.

本文通过对不同密度林地根层土壤水分补给和消耗量的分析,提出确定土壤水分植被承载力的概念模型.

The percentage of plywood timber to total yield decreases with increase of planting density in the site indices 14,16 and 18 m;

胶合板材产量随立地指数的增大而增大，且占总产量的百分比在立地指数为14、16、18m时，随造林密度的增大而减小；

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

Study of the Relation Between Planting Density and Root on Jujube Close Planting Garden in Arid Hillside Fields

旱坡地枣树密植园密度与根系关系的研究

Impact of planting density of Caragana intermedia on soil moisture in the restoration of degraded grassland

不同柠条密度在退化草地恢复过程中对土壤水分的影响

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。

Planting Density in Dwarfing and Closer Cultivation of Apple

苹果矮密栽培的栽植密度

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。

Planting density and fruit number per plant had bigger eff-ect on yield formation of sweet. pepper.

产量构成中，以密度及单株果数对产量影响较大。

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

The wetwood proportion ranged from negative relationship with the planting density.

湿心材比例为60%~68%,且随着栽植密度的减小而增大.

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 percents of ground wood pulp timber yield to total yield and chemical pulp timber yield to total yield increase with increase of planting density in site indices 14,16 and 18 m;

在立地指数为14、16、18m时磨木浆材产量占总蓄积量的百分比和化学浆材产量占总蓄积的百分比均随造林密度的增大而增大；

There is a lot of rain between June and July, so soil moisture fluctuation frequently. Step into September to the corn harvest period, soil moisture is in smooth gradual cut phase. Planting density has a certain influence on distribution of soil water storage area.

6-7月份降水量集中，土壤含水量波动频繁，进入9月份以后到玉米收获期间，田间土壤含水量变化呈逐渐平稳消减阶段；种植密度对土壤储水区的分布有一定影响。

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。

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

Test on Planting Density and Rotation Time and Analysis on Combustion Characteristics of Poplar and Willow Energy Plantation

杨柳能源林种植密度和轮伐期试验及其燃烧特性分析

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

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。

The suitable planting density and time of sowing are favor of optimum use of soil water and improving water use efficiency, and make potato increasing its output.

适宜播种密度和播期有利于土壤水分的优化利用和水分利用效率的提高，可促进旱地马铃薯增产。

The results are as follows: In this area, It is the suitable time of sowing of potato on dry land on May 1, and the suitable planting density is about 57000 plants per hectare.

试验结果表明，该地区旱地马铃薯适宜播种时期为5月1日左右，适宜密度为57000株/hm2左右；

Effect of Planting Density of Caragana intermedia on Soil Moisture

不同种植密度人工柠条林对土壤水分的影响

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。

Hole sowing and higher planting density were beneficial to silage maize.

高密度取穴播对提高青贮玉米产量有较好效果.

Effect of Planting Density on Yield of Table Waxy Corn

密度对鲜食糯玉米产量的影响

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

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。