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近几年来,黑龙江省的气候条件发生很大的变化,由于受不正常的气候条件(高温、干旱)和不正常的栽培管理的影响,水稻早穗现象(指秧苗移栽到本田后每穴或大部分有几个茎过早抽穗的现象)时有发生。比如,1998年的气候受厄尔尼诺现象影响,出现了异常天气,此外2001年黑龙江省又遇到了历史以来少有的高温天气(详见表1)。此期正值水稻营养生长期,由于温
In recent years, the climatic conditions in Heilongjiang Province have undergone great changes. Due to the impact of abnormal climatic conditions (high temperature and drought) and abnormal cultivation and management, the phenomenon of early heading of rice Or most of the stems premature heading phenomenon) have occurred. For example, the 1998 climate was affected by the El Niño phenomenon and anomalous weather appeared. In addition, Heilongjiang Province encountered rare hot weather in history in 2001 (see Table 1 for details). This period coincided with rice vegetative growth period, due to temperature