求翻译：为探究马铃薯单、双地膜覆盖栽培在石柱县推广的可行性，现在石柱县悦来古城种植费乌瑞它品种马铃薯，并分别对地膜双膜覆盖栽培和地膜单膜覆盖栽培的效益进行分析。分析得出马铃薯的双膜覆盖栽培成本虽较单膜覆盖栽培高，但产量、品质以及经济效益上单膜覆盖栽培均远低于双膜覆盖栽培，因此马铃薯双膜覆盖栽培在石柱地区具可行性。是什么意思？

In order to inquire into the potato list, the double mulching plastic cover cultivation the feasibility which promotes in Shizhu County, now Shizhu County pleased comes the old city to plant Fei Wurui it the variety potato, and separately carries on the analysis to the mulching plastic two-film cove

Research on single or double plastic film mulching in potato cultivation feasibility in shizhu County extension, now old town of shizhu County, Panda Fei Wurui it planted varieties of potato, and the film-double film covering, respectively, and analyze the benefits of plastic film-mulching cultivati