Day: July 3, 2024

During reclamation, the soil in the lower part is dug out and piled up to the upper part to form a staggered landform ditch with a width of 30 steps and a ridge with a width of 30 steps. The water depth of fish farming is five to seven feet. If the ridge is two feet above the water surface, jujube, pear tree or bamboo cane can be planted, or if it is one foot above the embankment edge, mulberry leaves can be planted to raise silkworms, fish can be raised with silkworm excrement, and the fish mud can be dredged and composted, which is beneficial to planting trees and sugarcane. In this way, even if the wasteland has never been plowed, mulberry trees can be planted immediately without manpower. "During reclamation, the soil in the lower part is dug out and piled up to the upper part to form a staggered landform ditch with a width of 30 steps and a ridge with a width of 30 steps. The water depth of fish farming is five to seven feet. If the ridge is two feet above the water surface, jujube, pear tree or bamboo cane can be planted, or if it is one foot above the embankment edge, mulberry leaves can be planted to raise silkworms, fish can be raised with silkworm excrement, and the fish mud can be dredged and composted, which is beneficial to planting trees and sugarcane. In this way, even if the wasteland has never been plowed, mulberry trees can be planted immediately without manpower. "

The history of Sangji Fish Pond or its similar practice (sugarcane-based fish pond and fruit-based fish pond) is that in the middle of Qing Dynasty, after the scale of silk