1、 Select Lingtang

When planting niujiaoling, select ponds, bays, low-lying water surfaces or the edges of lakes with a water depth of 0.3 to 4 meters, fertile silt, low wind waves and gentle water potential. The depth of underwater silt should be about 20 cm

2、 Sowing method

Fertilizer should be applied in advance before planting ox horn chestnut, which can be applied with pig manure or rotten mud manure. During planting, it can be divided into vertical lines according to the terrain of Lingtang, with a row spacing of 2.8m to 3.3m. Insert bamboo poles at both ends of Lingtang and draw a rope as a mark, and sprinkle the seed chestnut evenly into the water along the rope with a boat. When the water level is 100 cm, the seedlings can be deepened slowly