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详情
当前正值春茶初采和河蟹第一次蜕壳的关键时期，新一波降温降雨将对农业生产带来哪些影响？3月26日，记者分别走访青山茶场和区现代农业产业园了解相关情况。
“前一段时间气温较高、降水较少，一定程度上抑制了茶苗的生长，此次降雨将是一场‘及时雨’。”区青山茶场场长史青山说，雨水不仅能促进茶芽萌发，还有利于养分吸收，提高茶叶品质。此外，虽然降温明显，但日平均温度仍维持在10℃左右，正是茶叶采摘的适宜温度，延长了采摘时间，有利于产量提升。
在区现代农业产业园，区水产技术推广站农艺师张鑫全就降温天气对河蟹的影响提出建议。他表示，大幅降温可能导致池塘藻类活力降低，建议养殖户密切观察水质，及时补充肥力，保持水体环境稳定。此外，河蟹在蜕壳期间摄食能力减弱、体质变差，应投喂高蛋白优质饲料，并在塘口设置食台，根据每日河蟹摄食情况及时增减饵料的投喂量。为减少降温期间河蟹的应激反应，可适当泼洒维生素C、免疫多糖等营养物质，增强河蟹体质，降低应激性蜕壳不遂等风险。
（记者：方圆、陈亚婷 编辑：张俐颖）
