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人参黑斑病也叫斑点病,是一种流行广泛的毁灭性病害。以往由于对其发生规律不清,防治方法不当,连续打药病害仍得不到控制。经我们
Ginseng black spot, also known as spot disease, is a widespread and devastating disease. In the past because of its unclear rules, improper prevention and treatment, continuous fight disease still can not be controlled. After us