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今年,由于缺水,我省水稻旱种面积较大。水稻旱种比插秧种稻的田间杂草种类多,为害重,而且采用化学除草的难度也大。水稻旱种除了在播前施药除草之外,也可在播后苗前和苗期施药。在已用过的稻田除草剂中,可用于旱种的品种不多,必须慎重行事。下面介绍几种适用于水稻旱种的除草剂和使用方法。
This year, due to lack of water, rice cultivation in our province is larger. Rice cultivation than transplanting rice field weed species, heavy damage, and the difficulty of using chemical weed control is also large. In addition to spraying dry weeds in addition to pre-sowing weeding, but also sowing before and after seedling spraying. Among the used rice field herbicides, there are not many species that can be used for dry cultivation and caution must be exercised. The following describes several suitable for dry cultivation of rice herbicides and methods of use.