When the peanut seedlings are 20-30 cm, the effective ingredient 1.5-2 g/mu, 30 kg of water, directional and semi-directional spraying. In the vigorous growth period of flowers, 200ml of 4 1% glyphosate isopropylamine salt can be mixed with 15-20kg water to make a liquid medicine, which can be painted on the stems and leaves of Rhizoma Cyperi by hand with a brush.
Dicotyledonous plants, Malvaceae, Syzygium, are semi-shrubby herbs.