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近两年来,我地一些渔农利用稻田养殖美国青蛙获得成功,现将其作法整理归纳如下,供各地参考。 一、三层式稻田网络的建立。选择僻静、水源方便的田块,在其四周围盖上石棉瓦,再开好稻田的围沟和腰沟,宽深各1米,在围沟与腰沟开挖若干条宽窄相间的厢沟,宽沟宽深各为0.6米,窄沟宽深各为0.3米,沟与沟之间间距1.5米。开沟时做到沟沟相连,用开沟的土在沟边筑成高于田面0.3米的土埂,土埂的宽窄因田而异。
In the past two years, some of our fishermen and peasants have succeeded in using the American frogs to breed rice fields, and now they are summarized as follows for reference. First, the establishment of three-tier rice field network. Choose secluded, convenient water plots, covered in asbestos around the tile, and then open the rice ditch and waist ditch, wide and deep 1 meter each, in the ditch and waist ditch excavation of a number of width and width of the ditch , Wide and deep furrows are each 0.6 meters, narrow furrows and deep furrows are each 0.3 meters, and the distance between furrows and furrows is 1.5 meters. Doing ditches when ditching is done, using ditches of ditches to build a ditches of 米0.3 m above the surface of the ditch, and the width of the otti varies from field to field.