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丁蓮圭,韓奎平,崔成圭 순천대학 새마을연구소 1987 새마을硏究論文集 Vol.3 No.-
In order to investigate the possibility of producing potatoes all year round, this study was underaken during 1984―1985 by vinyl house in the cropping system. Different sowing dates were examined based on 3 distinct cropping system, namely, early sowing in the vinyl house, followed by normal sowing without vinyl covering and finally, late sowing in the vinyl house. The results obtained are as follows; When “Irish cobbler”(Namzak) was sown on the 5th of January, it was possible to harvest potatoes 1569㎏ per 10a on the 10th of April. When “Superior”(SOOmi) was sown on the 10th of April, the amount of potatoes harvested on the 10th of July was 1956㎏ per 10a. Late sowing on the 1st of September made it possible to harvest “Dejima”, 2948㎏ per 10a on the 30th of December. Based on those results, it seemed possible to grow potatoes 3 times a year in the vinyl house.