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夏秋季节茶园常会遇到几个月降雨偏少的天气,有的年份还有伏旱连秋旱之势,对喜荫的茶树获取高产构成严重威胁。因此,必须加强茶园的防旱抗旱管理,避免干旱对茶园造成的损失。1.茶树旱害的特点夏秋季节受到高温干旱侵袭,持续7天左右,土壤水分含量即迅速减少,茶树就会出现受害症状。旱害症状首先始于冠面的叶片,受害叶出现赤红色焦斑,其界线异常分明,
In summer and autumn, the tea plantations often encounter a few months of sub-day rainfall. In some years there is also a trend of drought and drought, which poses a serious threat to the high yield of tea trees in Xiyin. Therefore, it is necessary to strengthen drought and drought management of the tea plantation and avoid the loss caused by drought to the tea plantation. 1. The characteristics of tea tree drought Summer and autumn were hit by high temperature and drought, lasting about 7 days, that is, the rapid decline in soil moisture content, tea trees will suffer from symptoms. Drought symptoms first began in the crown of the leaves, the victim leaves appear scarlet red focal spot, the line is abnormal,