近年来,有些农友将低洼稻田改为池塘种藕,莲藕变黑腐烂的现象较为普遍。下面介绍两种能较好地预防莲藕腐烂的方法: 1.保持藕池水的深度 实践证明,在水面下50厘米的莲藕,质脆、色白、粗壮;而在水面下27厘米的莲藕,由于氧气过重,极容易腐烂。因而,保持池塘水的深度大于50厘米,可以有效地预防莲 In recent years, some farmers changed low-lying paddy fields to pond lotus root, and the phenomena of dark rot of lotus root are common. Here are two ways to better prevent rotting lotus root: 1. To maintain the depth of the lotus pond water Practice has proved that 50 centimeters below the surface of the lotus root, crisp, white, stout; and under the water 27 cm lotus root, due to oxygen Overweight, extremely perishable. Therefore, to maintain the depth of pond water more than 50 cm, can effectively prevent lotus