planting density的例句大全

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。

Effect of Locality and Planting Density on the Growth and Development of Prunus armeniaca

立地条件和栽植密度对大扁杏生长发育的影响

CR rate was higher in thick planting density than in thin planting density.

高密度处理的群体呼吸速率大于低密度处理。

Making an experiment of planting density and depth of Dioscorea nipponica the article tries to find the high-yield culture technique of Dioscorea nipponica with variance analysis and multiple comparison.

主要通过穿龙薯蓣（Dioscoreanipponica）的栽植密度试验及栽植深度试验，用方差分析及多重比较的方法来寻找穿龙薯蓣高产栽培技术。

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 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；

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；

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 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；

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

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。

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

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；