稗草是最常见的农田杂草,它经常混杂在稻丛之中,给水稻生产造成极大的危害,尽管农民每年几次三番拔除稗草,但是它的子孙却依然茂盛地蔓延着,显得十分兴旺。为什么能够这样呢?看来和它一系列的特点有关: 第一,它的生活习性、形态特征和水稻十分相似,大家知道,水稻有早稻、中稻、晚稻等不同类型,稗草呢?同样也有早稗、中稗、晚稗等不同类型,各自和相应的水稻作伴,形影不离,难分难解。拿形态特征来说,稗草跟水稻 Barnyardgrass is the most common weed in farmland. It is often mixed with rice and causes great harm to rice production. Although farmer ragweed is unplugged several times a year, its descendants flourish and flourish . Why is it so? It appears to be related to a series of its characteristics: First, its habits, morphological characteristics and rice are very similar, we all know that rice has early rice, middle rice, late rice and other different types of barnyard grass? Echinochloa crusgalli, barnyardgrass, barnyardgrass and other different types, each with the corresponding rice companion, inseparable, difficult to understand. Take morphological characteristics, barnyardgrass and rice