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春季鱼苗最佳孵化期的确定,是水产部门感到较为棘手的事,因为它涉及到两个方面.一是要满足鱼苗孵化的生态条件,要求水温能够适宜于鱼苗的孵化,二是要尽量抢季节,占领市场,以期获得较高的经济效益.本文试图以“贡献率”法制作最佳鱼苗孵化期的长期预报,给水产部门安排生产提
The determination of the best hatching period of fry in spring is a thorny issue for the aquaculture department because it involves two aspects: First, to meet the ecological conditions of fry hatching, requiring water temperature to be suitable for fry hatching, and second, to try to grab Seasons, occupation of the market, in order to obtain higher economic benefits.This paper attempts to make “the contribution rate” method to make the best long-term forecast fry hatching period, to arrange for the production of aquatic products