植物的丛生茎下各自都有根，可以直接把它们分开，形成独立的植物，这种繁殖方法叫做分根。例子：夹竹桃、腊梅等。分根是农学上的术语,指分割根的一部分埋入地中以进行繁殖的方法。
分根区交替灌溉 APRI ; Alternate Partial Root-zone Irrigation
分根造林 [林] planting by rootcuttings
有充分根据的 well-grounded ; probable
分根培养 split root culture ; [土壤] root dividing culture
分根交替灌溉 Alternate partial root-zone irrigation ; APRI
固定部分根区供水 FPRI
分根法 root-splitting method
条件部分根方估计 CPRSE
果树分根区 Partial root drying
Split-root treatment (rice was grown with half roots supplied with 3 mmol/L NO3- and another half with 3 mmol/L KCL) showed that the growth of lateral roots was stimulated by localized nitrate supply.
分根处理（一半根系供应3 mmol／LKNO3，另一半根系供应3mmol／LKCl）结果表明：局部供应NO3-能够促进水稻侧根生长。
参考来源 - 利用抑制性扣除杂交（SSH）技术克隆水稻根系硝态氮诱导基因及诱导基因表达谱的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
其他育苗技术还有分根、分蘖、嫁接、组织培养等方法。
There are other technical methods, such as root-cutting, tillering, grafting, tissue culturing and other methods.
方法对下颌后牙残根、残冠累及根分叉病变的24个患牙，采用分根法作保存修复。
Methods Separating roots was used for the conservative prosthetics of 24 mandibular posterior teeth with furcation involvement.
以盆栽玉米为试材，研究控制性分根交替滴灌供水方式下，不同处理蒸腾速率的日变化。
The diurnal change of transpiration rate of maize in different disposals was studied in potted experiment under the alternative drip irrigation for the control of root.
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