However, no significant difference was found as to the uptake and distribution of Fe in potato with film mulch and potash fertilizer.

• 钾肥在成熟期之前的一段时间内能在一定程度增大铁在块茎中的分布，但是此二因素对马铃薯体内铁的影响作用均未达到一定的显著水平。