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一抓清淤除野凡养过一年对虾的虾池,由于池中残铒和粪便积累,池水变浅,有毒物质增多,所以放虾苗前一定要进行清淤,保证池中水深1.2米以上,尔后使用漂白粉进行“除野”,起到改善对虾生长环境的作用。二抓肥水繁饵 4月下旬可往虾池内放水,使水深达到0.5米左右,每亩施用尿素2.5公斤,使池中的藻类,轮虫等大量生长繁殖,以达到肥水繁殖饵料的目的。5月20日前后,适
A grasping clear silt removal Wild shrimp ponds that have been raised for one year, due to the accumulation of residual erbium and manure in the pool, pool water becomes shallow, increased toxic substances, so put the shrimp before dewatering must ensure that the pool water depth of 1.2 meters Above, and then use the bleaching powder to “remove the wild”, play a role in improving the environment for shrimp growth. Two grasping fertilizer Bait late April to the shrimp pond water, so that the water depth of about 0.5 meters, 2.5 kg of urea per mu, so that the pool of algae, rotifers and other large growth and reproduction, in order to achieve the purpose of the fertilizer to feed water. May 20 before and after