Hunan built sweet potato system "gasoline" device

Recently, Hunan's first biohydrocarbon liquid fuel production plant was started in Hurong Town, Chaling County, Hunan Province. It is understood that Hunan Jinsha Real Estate Development Co., Ltd. has invested 400 million yuan to build this project. The performance and energy of liquid alcohol

Seedless watermelon cultivation techniques

Seedless watermelon cultivation techniques, there are common with the ordinary watermelon, there are differences. There are various cultivation methods, and the main cultivation techniques are as follows: First, seedbed preparation The nursery bed should be built on a leeward sunny side