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一、试验设计养殖池分两大组,即水池组和稻田组,水池组分8个小组共9个池;稻田组分8小组共12个池。二、方法: 1、实验池:实验水池9个,每个面积2m~2,池深0.7m,池底铺25cm厚的带泥草皮沤制而成的肥泥。稻田实验池12个,面积均为25m~2,每池沿田埂开一条围沟,田中每隔2.5m开一条厢沟,沟宽50cm,围沟与厢沟相通,深为25—30cm,使每个实验池都分为四个小格,每个面积6.25m~2。所有稻田都插余赤231—8。 2.鳝种来源与放养:鳝种于1989年7月26—30日从集市上收购而来,选取规格基本一
First, the experimental design Aquaculture ponds are divided into two groups, namely, pool group and paddy field group, pool group of eight groups of 9 pools; paddy field component 8 group of 12 pools. Second, the method: 1, Experimental Pool: Experimental pool of 9, each area of 2m ~ 2, pool depth 0.7m, bottom of the pool 25cm thick mud made of turf system made of mud. Paddy experimental pool of 12, an area of 25m ~ 2, each pond along the open a ditch Tianchi, Tanaka every 2.5m open a ditch, ditch width 50cm, ditch and ditch connected to the deep 25-30cm, so that Each experimental pool is divided into four small cells, each area 6.25m ~ 2. All rice fields are inserted Chi Che-231-8. 2. Eel sources and stocking: eel species in July 1989 July 26-30 acquired from the market, select the basic specifications of a