V2EX root zone

Root Zone

定义 / Definition

root zone:根区;根系活动层。指植物根系主要分布并进行吸水、吸收养分与呼吸的土壤(或基质)范围;在灌溉与土壤学中也特指需要被有效湿润与管理的土层深度。该短语在不同作物与土壤条件下的“深度/范围”会变化。

发音 / Pronunciation

/rut zon/

例句 / Examples

The roots spread through the root zone to find water.
根系在根区里伸展以寻找水分。

Moisture sensors showed that irrigation water never reached the lower root zone, reducing nutrient uptake during the hottest weeks.
湿度传感器显示灌溉水从未到达较深的根区,导致最炎热的几周里养分吸收下降。

词源 / Etymology

root 源自古英语 rōt,意为“根”;zone 源自希腊语 zōnē,原意是“腰带、带状区域”,经由拉丁语与法语进入英语,发展出“区域、地带”的含义。组合成 root zone,字面即“根的区域”,在农学、园艺、土壤科学与灌溉管理语境中被广泛使用。

相关词 / Related Words

文学作品中的用例 / Literary Works

  • Soil Physics(Marshall, Holmes & Rose):在讨论水分入渗、蒸散与作物用水时频繁使用 “root zone”。
  • Principles of Plant Nutrition(Mengel & Kirkby):在养分吸收与根系分布章节中使用 “root zone” 描述有效吸收层。
  • Crop Ecology(Loomis & Connor):在作物生长与资源获取部分使用 “root zone” 分析水分与氮素限制。
  • FAO Irrigation and Drainage Papers(联合国粮农组织灌溉与排水系列报告):在灌溉制度设计中以 “root zone” 表示需湿润的土层与管理深度。
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