辽宁省丹东市中低产田占总耕地面积的68%。通过几年来测土配方项目的实施,经过大量的调研、试验,证明我市中低产土壤改良利用的潜力是很大的,只要措施得力,实现667m2增产30%～50%是完全可能的。 Dandong City, Liaoning Province, low-yielding fields accounted for 68% of the total cultivated area. After several years of soil testing and formulating project implementation, after a lot of research and testing, the city has proved that the potential of low-yielding soil improvement and utilization is great, as long as effective measures to achieve 667m2 yield 30% to 50% is entirely possible.