"借助压条法" can be translated as "by means of layering (method)" or "using the layering technique".
Here are some example sentences:
1、 This plant can be propagated by means of layering (method).
(这种植物可以通过压条法繁殖。)
2、 We are using the layering technique to propagate this particular variety of rose.
(我们正在借助压条法繁殖这种特定的玫瑰品种。)