在对镇草宁进行初步的试验后,我曾指出(1973年),用镇草宁防治胶园的两耳草、奥图草、心叶甘菊、三裂叶葛藤、白茅等五种杂草可能是有效的。本文报道随后在成令胶园植胶带进行试验的结果。除了根病、风害地块和短暂的越冬期外,树冠荫蔽度是60％。一年喷射一、二次的植胶带上的主要杂草是奥图草或两 After a preliminary test of Zhencao Ning, I have pointed out (1973) that the use of Zhencao Ning to control rubber plantations such as Clover, Odonto grass, Chamaecrista, Tripterygium, It is effective. This article reports the results of a test made later in the rubber plantation tape. Except for the root blight, wind damage plots and short wintering periods, canopy shade is 60%. A year or two of the primary weeds on the tape are okut grass or two