稻田养殖青虾，投资小，亩投入不到百元，产成虾达３０公斤以上，效益比稻田养鱼还高，有很好的发展前途。一、田块选择选择靠近水源、无污染、进排水方便，且保水的田块，在稻田四周开挖宽２－４米，深１米的环沟，横沟或十字沟开挖宽１米，深０８米，呈“田”或“日”... Rice cultivation of freshwater shrimp, small investment, less than 100 yuan per mu into the production of shrimp up to 30 kilograms, the benefit is also higher than the fish in the rice fields, have a good development prospects. First, plots choose to choose close to the water, no pollution, easy access to drainage and water retention plots, digging in the rice fields around 2-4 meters wide, 1 meter deep ring ditch, cross ditch or cross ditch excavation width of 1 meter , 0.8 meters deep, was “Tian” or “day” ...