Water Prification Using Aquatic Macrophyto and Its Utilization System

本项目的目的是了解水葫芦的净水能力，获得利用水葫芦进行水净化的设计指南，并探讨水葫芦在动物性食品中的利用。为了实现上述目的，研究内容包括：(1)水中营养物质浓度对水葫芦生长的影响(2)水葫芦生长速度与养殖密度的关系(3)水葫芦的采收管理对水质净化能力的影响(4)重金属对水葫芦的积累与生长抑制的关系水葫芦是采用天然灌溉水路和温室人工沟渠进行养殖的。

The objects of this projects are to know the water purification capacity, to get a design guidelines for water pufification using a macrophyto, water Hyacinth (Eichhornia crasipes (Mart) Solms) and to investigate the utilization of water hyacinth to animal foods. In order to achive the objects mentioned above, the following subjects are included:(1) Effects of nutrients concentration in water on the growth of water hyacinth(2) Cralification of the relationship between the growth rate and the cultivation dencity of water hyacinth(3) Effects of harvesting management of water hyacinth on water purification capacity(4) The relationahip between the accumulation of heavy metals to water hyacinth and the inhibition of the growthWater hyacinths were cultivated using the natural water-way for irrigation water and the artificial channel setted in a green house for conducting the above subjects.(5) Utilization of water hyacinth to animal foodswater hyacinth cultivated in the natural water-way were used for this study.