1845年，一种致命的疾病袭击了爱尔兰的农场，杀死了所有的块茎马铃薯。
In 1845, a deadly disease struck the farms of Ireland, killing all the Lumper potato plants.
研究土壤疏松对马铃薯生理特性和块茎产量形成的影响。
The effects of soil loose on physiological characters and tuber yield formation of Solanum tuberosum L were studied.
与谷类相比，块茎天生高产。
Compared with grains, tubers are inherently more productive.
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