论文部分内容阅读
1、大水面施肥地点如何确定?大水面施肥地点应选择在上中游浅水不分层的水域中进行,因为浅水处可以垂直循环,把氧送到底层,促使有机物矿化和向水表层转移;向阳的库湾、滩头应多施,避开水草丛生处,以免浪费肥料。2、大水面何时开始施肥?一般每年冬末至次年初春,水面枯水时,在消?
1, how to determine the location of large water fertilization? Large water surface fertilization sites should be selected in the upper reaches of the shallow waters without stratification, because the shallow water can be recycled vertically, the oxygen to the bottom, to promote the mineralization and the transfer of organic matter to the water surface; Sunny Bay, the beach should be more facilities, to avoid water tufts Department, so as not to waste fertilizer. 2, the surface of the water began to fertilize? Generally the end of each winter to the following year early spring, when the surface water,