文章详细信息 关键词: 夏玉米;;种植方式;;种植密度;;产量 [gap=751]Keywords: Summer maize;Planting mode;Planting density;Yield
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不同栽植密度对辣椒产量的影响研究 园艺学论文_新华期刊网 关键词金椒1号;黔西泡通椒;栽植密度;产量 [gap=925]Key wordsJinjiao No.1;Qianxi-Paotong jiao;planting density;yield
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南方型无性系杨树木材密度变异及其与造林密度的关系 - 关键词: 木材密度,造林密度,变异,南方型无性系杨树 [gap=692]Key words: Wood Density, Planting Density, Variation, Southern Type Clones Popular
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the planting density 种植密度
high planting density 高种植密度
thin planting density 稀种植密度
cell planting density 细胞接种密度
optimum planting density 最佳造林密度
The reasonable planting density of windproof dune-fixing forest in Yulin sand land is about 3000~3500 strain /hm2. The suitable cover of windproof dune-fixing forest is about 0.33~0.55.
榆林沙区防风固沙林合理造林密度宜控制在3000~3500丛/hm2左右为宜,使成林盖度保持在0.33~0.55左右。
参考来源 - 陕北榆林长城沿线风沙区防风固沙林结构与效益研究It can increase the removal efficiency of the nutrient substance by increasing the planting density suitably.
适当增加种植密度可以提高水体中营养物质的去除率。
参考来源 - 规模型草场处理富营养水体劣质水调控机理与设备的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Appropriate increase of wheat planting density could lead to increase of WUE in dryland as well.
适当增加小麦种植密度有利于提高旱地水分生产效率。
The study aimed to confirm the optimum planting density of Yingge mungbean in Taihang mountain area.
确定太行山区鹦哥绿豆的最佳种植密度。
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。
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