질소 시비량과 추비 시기가 shallot(Allium cepa var. ascalonicum Backer)의 생육에 미치는 영향
Effect of Nitrogen Fertilization Level and Time of Supplementary Nitrogen Fertilization on Growth and Development of Shallot (Allium cepa var. ascalonicum Backer)
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초록
새로운 노지 월동작물과 수출유망 작물을 개발하기 위하여 shallot을 도입하여 적응력 시험을 수행하고 있는 과정에서 몇 가지 문제점이 발견되었다. 이러한 문제를 해결하고 질소 시비량과 추비 시기가 shallot의 생육에 미치는 영향에 대해 조사하기 위해 수행하였다. 질소 시비량은 10 a당 24 kg이 적당하였고, 추비는 2월과 3월에 각각 1회씩 시용하는 것이 효과적이었다. 질소 시비량이나 추비 시기에 따른 식물체의 무기성분 함량은 차이가 없었다.
Abstract
Shallot is a foreign crop introduced from France in 1995 as a new overwintering field crop with an aim to develop as an export crop. This study was conducted to investigate the effect of nitrogen fertilization level and time of supplementary nitrogen fertilization on growth and development of shallot, and to suggest to several problems raised during introductory trial cultivations. Optimum amount of nitrogen fertilization for bulb yield was 24 kg per 10 a. The best time of supplementary fertilization was February and March, with an equal amount in each month. The inorganic element composition of the harvested bulbs was not significantly affected by N fertilization level or by time of supplementary nitrogen fertilization.
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