冬春季节是开挖新鱼塘、改建整修老鱼塘的良好时机。提高鱼塘效益,除了精养精管措施之外,还必须搞好绿化,以保住水源,调节水温、防止冲刷、减少塘口淤积和水质污染等。鱼塘边上选栽什么树种比较合适呢? 一、鱼塘不大选灌木。灌木比乔木低矮,树冠小,遮荫少,水中溶氧增加,有利鱼儿生长。根系固土、防冲刷能力比乔木强。可选栽杨柳、紫穗槐和白腊条等灌木。 二、为增饲料选桑槐。鱼塘面积较大,塘中养鱼较多, Spring and winter is a good time to dig new fish ponds and renovate old fish ponds. Improve the efficiency of fish ponds, in addition to intensive management of fine tube measures, but also must do a good job of greening, to keep the water, adjust the water temperature, to prevent erosion, reduce pond siltation and water pollution. What kind of tree planting on the edge of the pond is more appropriate? First, fish ponds are not elected shrubs. Shrubs are lower than trees, with small canopies, less shading, increased dissolved oxygen in the water, and favorable fish growth. Root soil, anti-erosion ability stronger than trees. Optional planted Willow, Amorpha fruticosa and white shrubs and other shrubs. Second, to increase feed selection minghuai. Fish ponds larger, pond more fish,