木兰县中低产田主要限制因素确定与分类治理对策

The Determine of Maim Limiting Factornnd Classified Administer Strmtegy for Middle and Low Yield Fields in Mulan County

以木兰县29块中低产田为研完样本,采取主成分分析的方法,从13个变量指标中选择出7个影响中低产田的主要因素,在此基础上,用系统聚类方法将全郜地块划分两类,结合生产实际剖析了分类结果,提出了相应的治理改造对策,对中低产田分类治理提供了新的方法和依据。

The research fieldds sample were selected from 29 middle and low yield fields in Mulan county. We used the method of main elements analysis and adopted 7 main factors which. in-flenced its yield from 13 variates. furthes, divided all those fields into 2 kinds with the method of hicrachical claster. On the dissected again through the farm production, We puted forward acorre-sponding strategy of administer and remake the middle and low yield fields that may be a basis and a new mothed.