随着播种密度的增加，群体质量呈下降趋势。
With increasing seeding rate, population quality gradually decreased.
随着秧龄的增大，不同播种密度伺的差异越大；
So, the quality of seedling reduced with the increase of seeding density and transplanting seeding age.
并且随着秧龄的增大，播种密度对生育期的影响增大。
And with the increase of transplanting seeding age, the more influence of seeding density to the growth period was aggrandizement.
施磷和低播种密度均使杂草的密度和生物量显著增加。
The biomass of weed decreased with the increase of the amount of nitrogen fertilizer applied.
同一秧龄不同播种密度处理间，产量随密度的增加而减小；
The yield decreased while increased the seeding density with the same transplating seeding age;
同一规格种芋随着播种密度增加，出苗率和软腐病发生呈下降的趋势。
Seed tubers planting density increase with the same kinds and soft rot of Amorphophallus emergence occur declining trend.
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 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.
单株分蘖死亡率及单株叶片死亡率在播种当年及第二年存在差异，随密度增加而增加，但在播种第三年差异消失。
And death rate of tiller and leaves existed difference in the year and next year, which increased as density of sowing increasing.
发病程度除与品种、气象条件有关外，还与灌水，播种时期，密度，播种方法等栽培措施关系密切。
Disease incidence related closely with not only varieties and meterological condition, but cultivation practices such as irrigation, sowing date, sowing density, sowing method and so on.
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。
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.
目的考查播种期，种植密度及耕地深度对徐长卿产量和质量的影响。
ObjectiveTo research the influence of sowing time , planting density and plowing depth to the yield and quality of Cynanchum paniculatum (Bge. ) Kitag.
目的考查播种期，种植密度及耕地深度对徐长卿产量和质量的影响。
ObjectiveTo research the influence of sowing time , planting density and plowing depth to the yield and quality of Cynanchum paniculatum (Bge. ) Kitag.
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