Source: Xinhuanet
In recent years, Lulong County, Qinhuangdao City, Hebei Province has promoted large-scale planting to expand the planting area of sweet potatoes, adopting the “drip irrigation + mulching” planting technology. The drip irrigation technology can maximize the efficiency of water resource, and the mulching film technology can not only increase the ground temperature, but also reduce the application of herbicides, so that both the quality and the yield of sweet potatoes can be improved, and farmers’ income can be increased. Lulong County is hailed as the “Hometown of Sweet Potatoes in China”, with a reputation of good quality of sweet potatoes.
On April 29, 2020, farmers of Lulong County, Qinhuangdao City, Hebei Province are planting sweet potato seedlings. Photo by CICPHOTO / Guo Nan
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