马铃薯的原种繁育是在原原种基础上进行的。以原原种为种薯，栽培生产出来的块茎，即马铃薯的原种。其繁育技术如下： 一、合理选地，精细整地，施足底肥 １．选地：马铃薯的块茎在土壤中形成时，要排开与块茎同体积的土壤。因此必须选土层深厚、结构疏松、排水通气良好、富含 The original breeding of potato is based on the original species. To the original seed for the seed, cultivation and production of tubers, that is, the original potato. The breeding techniques are as follows: First, a reasonable choice, fine preparation, Shi enough fertilizer 1. At the election: when tubers of potato are formed in the soil, the same volume of soil as the tubers should be drained. Therefore, we must choose deep soil, loose structure, good drainage and aeration, rich