一、产地环境选择 1.土壤环境质量标准(GB15618—1995);2.地表水环境质量标准(GB3838—2002);3.农田灌溉水质标准(GB5084-1992):生产无公害马铃薯的地块必须符合无公害食品产地环境条件。二、土质选择选择富含有机质的沙壤土或壤土、排水良好的田块栽培马铃薯。犁耕灭茬、深翻晒垅。三、品种与茬口1.品种选择:选用中早熟、高产、优质、抗晚疫病、耐病毒的品种,以脱病毒种薯为最佳。如早大 First, the choice of origin environment 1 soil environmental quality standards (GB15618-1995); 2 surface water environmental quality standards (GB3838-2002); 3 farmland irrigation water quality standards (GB5084-1992): the production of pollution-free potato plots must Meet the environmental conditions of pollution-free food origin. Second, the choice of soil Select organic-rich sandy loam soil or loam, drained field cultivation of potatoes. Plowing crop stubble, the deep sun drying 垅. Third, the varieties and stubble 1. Selection of varieties: selection of early maturity, high yield, high quality, resistance to late blight, resistant to virus varieties, virus-free seed to the best. As early as big