水稻害黄是影响增产的重大威胁,不但不能保证当季增产,而且延长季节,影响下季增产。一般水稻害黄,通常有三个原因:(1)花草田腐烂发高热,泥脚泡浮,秧根不能抓泥,秧苗烂根,上部发黄,严重的甚至死棵。(2)低凹陈水田和烂冲田,泥脚深厚,冷性重,施肥搭配稍一不合理,肥分不能及时分解供给作物吸收,因而肥力脱节,苗黄生 Harmless rice is a major threat to increase production, not only can not guarantee the season to increase production, but also to extend the season, affecting the next quarter to increase production. General rice yellow, usually for three reasons: (1) flower field decay high fever, floating mud feet, seedlings can not catch the mud, seedlings rotten roots, the upper part of the yellow, serious and even dead trees. (2) low depression Chen paddy fields and rotten red fields, thick muddy feet, heavy cold, fertilization with a slightly unreasonable, fertilizer can not be timely decomposition of crop absorption, and thus fertility out of touch, Miao Huang Health