福彩3d万能六码技巧简介:In fact, the yield of corn per mu is much more than 600 kilograms. As long as there is a little rain, it can be at least 800 kilograms. In modern society, with good seeds and sufficient fertilizer, the yield of corn sown by mechanization can be 1,500 kilograms per mu.
In fact, the yield of corn per mu is much more than 600 kilograms. As long as there is a little rain, it can be at least 800 kilograms. In modern society, with good seeds and sufficient fertilizer, the yield of corn sown by mechanization can be 1,500 kilograms per mu.