两茬栽培马铃薯在黑龙江获成功黑龙江地区一年只能种一茬作物的历史已经结束。该省农科院绥化农科所的两茬栽培马铃薯亩产竟达３０００多公斤，它标志着在黑土地上两茬栽培马铃薯获成功。由于地理位置、气候等因素的影响，黑龙江这片肥沃的土地一年只能种一茬庄稼、黑土地... The history of the two stubble cultivation of potatoes in Heilongjiang province that succeeded in producing only one crop a year in Heilongjiang has come to an end. Suihua Academy of Agricultural Sciences Academy of Agricultural Sciences in the two crop cultivation of potatoes as much as 3,000 kilograms per mu, which marks the cultivation of potatoes in two consecutive black soil success. Due to the influence of geographical location, climate and other factors, this fertile land in Heilongjiang can only grow a crop of black soil once a year.