北方地区养殖水域伊乐藻种植技术要点

Technical points of planting technology of Elodea nuttallii in northern aquaculture waters

伊乐藻(Elodea nuttallii)是一种耐寒、优质、生长速度快、单产高的多年生沉水植物,也是河蟹、虾类、草食性鱼类和部分杂食性鱼类喜食的优质青饲料。文章阐述了种植伊乐藻的主要优点,详细介绍了北方地区养殖水域伊乐藻种植时间、种株来源、栽培前的准备、栽培方法、栽培后的水位调节和投施肥料等日常管理要点,供广大水产养殖者参考。

Elodea nuttallii is a kind of perennial submerged plant with cold resistance,high quality,fast growth rate and high yield.Elodea Nuttallii is also a high-quality green feed preferred by river crab,shrimp,herbivorous fish and some omnivorous fish.This paper expounds the main advantages of planting Elodea nuttallii,and introduces in detail the planting time,plant source,preparation before cultivation,cultivation method,water level regulation after cultivation,fertilizer application and other daily management points of Elodea nuttallii in aquaculture waters in northern China,which can be used as reference for aquaculture farmers.