常德市于1986年在澧县2500亩的群英水库首次应用化肥养鱼新技术,当年施化肥2.4万公斤,年底捕鱼2万公斤,比应用化肥方增产6倍多。1987年推广至6个县20座小库、1个湖泊,共计2.15万亩水面,施化肥50万公斤,捕鱼 Changde City in 1986 in Shexian 2,500 acres of Qunying Reservoir for the first time the new technology of fertilizer fish farming, when fertilizers 24,000 kg, the end of fishing 20,000 kg, more than 6 times the yield of fertilizer. In 1987, it was popularized to 20 small reservoirs and 1 lakes in 6 counties with a total of 21,500 mu of water surface and 500,000 kg of chemical fertilizers and fishing