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本文记述了辽宁省西丰县宝兴水库1985~199410年间施肥半精养的状况,施肥后10年平均亩产51.12kg/亩,为施肥前10年的3.9倍,化肥系数约为1,利税是半精养前的4.4倍。作者还指出,枯水期和大量放水期应继续施肥。枯水施肥对鱼类越冬有利。
This paper describes the semi-intensive fertilization practice of Baoxing Reservoir in Xifeng County, Liaoning Province from 1985 to 199410. The average yield per mu in 10 years after fertilization is 51.12 kg / mu, 3.9 times that in the first 10 years of fertilization and the coefficient of fertilizer is about 1 , Profits and taxes are 4.4 times before the semi-intensive. The author also pointed out that dry season and a large number of water should continue to fertilize. Low water fertilization of fish overwinter beneficial.