池塘种植苦草养殖河蟹、青虾技术

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苦草俗名扁担薇、面条草等,系沉水水生植物,分蘖快,生长迅速。它既是河蟹、青虾喜食的植物性饲料之一,又能为其栖息、蜕壳、逃避敌害提供隐蔽的场所,对河蟹、青虾的健康养殖具有重要作用。1.池塘条件池塘面积1~10亩,水深1~2米,排灌方便,塘底平坦,淤泥在20厘米左右,对面积较大的池塘、湖泊可沿塘边、浅滩区种植苦草。2.彻底清塘冬季将池塘彻底晒冻后,在幼蟹、青虾苗下塘前20天,用生石灰75~100公斤/亩,用水溶化后均匀泼洒全塘,杀灭敌害生物。在灌排水时要用密眼网片将进出水口围栏严实,以防敌害生物进入池塘。 Bitter grass common name Wei Tam, noodles grass, Department of submerged aquatic plants, tiller fast, rapid growth. It is not only one of the plant feed that crab and freshwater shrimp enjoy, but also provides a hidden place for its habitat, molting and evading enemies. It plays an important role in the healthy breeding of crab and freshwater shrimp. 1. Pond conditions Pond area of ​​1 to 10 acres, water depth of 1 to 2 meters, irrigation and drainage convenient, flat bottom, about 20 cm of sludge, ponds, lakes can be planted along the edge of the pond, shallow grass planting grassland. 2. Thoroughly clear the pond after ponds are thoroughly sun-dried in winter. In the first 20 days of young crabs and young shrimp ponds, use 75 to 100 kg / acre of quick lime to dissolve the whole pond and dissolve the predators. Drainage and drainage should be used in dense mesh mesh inlet and outlet fence will be strict to prevent enemy organisms into the pond.
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该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
池塘双季鱼养殖是指在同一池塘内一年养两季成鱼或一季成鱼一季鱼种。这种养殖模式提高了池塘的利用率,是增加池塘养殖经济效益的有效途径。下面就具体操作规程介绍如下:1池