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农田草害是影响我省当前农业生产发展的一个重要问题。野燕麦分布最广,危害最大。据初步了解,目前全省发生危害严重的面积达200万亩左右,主要在脑山,半脑山和小块农业区,田间密度一般每亩20至50万株,多者达100万株以上。阔叶杂草俗称大叶草,包括灰条,野油菜,香烟(香薷),野绿豆、苦苦菜、荠菜、铲铲革、马刺盖等多种。在脑山和小块农业区发生危害亦十分严重。
Grassland farmland is an important issue affecting the current development of agricultural production in our province. Wild oats the most widely distributed, the most harmful. It is initially understood that at present, about 2 million hectares of harms occur in the whole province, mainly in the head-hill, half-hill and small-scale agricultural areas. The density in a field is generally about 200,000 to 500,000 per acre and more than 1 million . Broadleaf weeds, commonly known as big leaf grass, including the gray bar, wild rapeseed, cigarettes (fragrant), wild mung beans, bitter herbs, shepherd’s purse, shovel leather, spines and other cover. In the hills and small agricultural areas, the harm is also very serious.