辽宁省玉米生产存在的突出问题及其解决途径

根据多年研究和生产现实状况，提出辽宁省玉米生产存在的耕层浅犁底层厚、施肥单一营养失衡、水分利用率低、种植密度低、连作危害加重的突出问题，并提出相应的解决途径和措施，为指导辽宁省玉米生产提供参考。

The Major Problems and the Corresponding Solutions to Liaoning Maize Production

According to many years of research and production status, the five major problems(the topsoil with shallow plow and thick bottom, single fertilization and nutritional imbalance, low water use efficiency, thin planting density, the harm of continuous cropping) and the corresponding solutions of Liaoning maize production had been raised with a view to guide maize production in Liaoning province.