Based on an investigation and quality evaluation on the distribution and existing problems of the middle and low yielding farmland in Helan County, the distribution and types of the middle and low yielding farmland in the county were clarified basically. The corresponding improvement measures for the corresponding types are put forward to provide a basis for the decision making about the improvement of the middle and low yielding farmland in Helan County.%通过对贺兰县中低产田分布状况及存在问题进行调查和质量评价,基本摸清了中低产田在全县的分布状况和类型,并对相关类型提出相应的改造措施,为贺兰县中低产田改造提供决策依据。
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