环割是指环绕植株的枝干，剥去一定宽度树皮的作法。是促进花芽分化和提高果实品质的一种植措施。
结果表明:与对照相比,经GA4/7+ Girdling处理后,青海云杉花芽分化过程各时期内源激素GAs及IAA含量显著增加,而环割(Girdling)处理使得各时期IAA含量显著升高,当采用茎杆注射(GA4/7)处理时,各时期内源GAs及IAA含量略有增加；而与对照相比,3种处理都使得ZR含...
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With the best regression of three factors,the experiment researched that quality of Flue-cured tobacco was affected by different concentration of Chong Shiwang and Iv Nongsu and ringing in different periods after topping.
采用三因素最优回归设计,研究了烤烟团棵期以后喷施不同浓度的冲施王和绿农素,以及打顶后不同时间环割对烤烟品质的影响。
参考来源 - 植物生长调节剂及环割时间对烤烟品质影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
环割试验进一步证实了这项推论。
方法采用疏花、人工授粉、环割、喷施叶面肥四种措施对化橘红进行提高坐果率的试验。
Methods Putting forward four measures of flower thinning, hand pollination, girdling and application of foliage fertilize.
T型三通的输出端连接喷雾阀的输入端，环隙式喷雾阀通过夹持机构固定连接在等离子割炬上。
The output end of the T-shaped three-way is communicated with the input end of the annular-space spray valve which is fixedly connected to the plasma cutting torch by the holding mechanism.
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