马铃薯与其他作物不同,突出的特点是块茎生长在地下,收获时块茎容易产生机械损伤。收获一公顷马铃薯,在收获机的分离机构中要通过1000～1500吨土壤。对马铃薯收获的要求是:进入贮薯器的泥土、石块和无用的块茎尽可能的少,同时又使块茎的损伤最小。两个影响的指标——最低 Unlike other crops, potato is distinguished by the fact that tubers grow underground, and tubers are susceptible to mechanical damage at harvest. One hectare of potatoes are harvested and 1,000 to 1,500 tons of soil are passed through the harvester’s separation facility. The requirement for potato harvesting is that as much soil, stones, and unwanted tubers enter the potato cleaner as possible while minimizing tuber damage. Two impact indicators - the lowest