如何防除沟渠田埂上空心莲子草危害空心莲子草又叫水花生，俗称“革命草”。为多年生草本，属苋科，莲子草属。我国南方各省都有分布。空心莲子草无性繁殖力强，喜潮湿，因而在稻田及低洼的旱作田常有发生，成为农田的恶性杂草之一。此外空心莲子草还发生在稻区沟渠田埂上... How to prevent ditch canvassing on the heart of lotus seeds Hollow lotus grass is also called water peanut, commonly known as “revolutionary grass.” For perennial herbs, is Amaranthus, lotus grass. All provinces in southern China are distributed. Alternanthera philoxeroides asexual reproduction strong, hi wet, and therefore in paddy fields and low-lying dry land often occur, become one of the weeds of the farmland. In addition, Alternanthera philoxeroides also occurs in the ditch canopies of rice fields.