鱼种放养后,要及时进行施肥投饵,以满足鱼类的生长需要。为此,必须根据鱼类活动、水质、水色、天气变化等因素,掌握好施肥和投饵量。(一)施肥。施肥主要是肥水,培养浮游生物。主养花、白鲢鱼,目前以施有机肥为主,兼施少量无机肥。有机肥料成本低、来源广、营养多,肥效长。春季,应适当增加施肥量;夏天施肥应减少或停止,以防泛 Species after stocking, fertilization should be timely feeding to meet the growth needs of fish. To this end, must be based on fish activities, water quality, water color, weather changes and other factors, to master the fertilization and feeding amount. (A) fertilization. Fertilization is mainly fertilizer, cultivate plankton. The main flower, silver carp, the current main organic fertilizer, fertilizer and implement a small amount of inorganic fertilizer. Organic fertilizer low cost, wide source, nutrition, fertilizer efficiency. Spring, should be appropriate to increase the amount of fertilizer; Summer fertilizer should be reduced or stopped to prevent pan-pan