摘要
本試驗係以三種蘿蔔品種（系）桃園選育一號、二號、「梅花矸」及五種栽植密度行株距為45 cm×20 cm、40 cm×25 cm、40 cm×20 cm、30 cm×20 cm及45 cm×25 cm，探討對蘿蔔生育及產量之效應。分別於桃園縣新屋鄉、新竹縣竹北市、苗栗縣後龍鎮三試區進行。蘿蔔地下塊根產量及單株塊根重為蘿蔔種植生產主要目的。試驗結果顯示，在不同栽植密度中以疏植者產量為最低，而以密植者產量最高，但其單株根重最輕，其中45 cm×20 cm及40 cm×25 cm二者均較45 cm×25 cm表現佳，達到良好的分級商品規格。在不同品種（系）試驗中以桃園選育一號之產量最高，三個試區以後龍試區產量最高，其次為竹北試區，而以新屋試區最低；根重亦以桃園選育一號之綜合表現較為優異。
並列摘要
Three field experiments were conducted in Hsin-wu, Chu-pei and Hou-lung counties, in order to determine the most suitable spacing of planting radish in the northern Taiwan. Three varieties, Taoyuan selection No.1, Taoyuan selection NO.2 and Mei-hua-kam, were grown under five planting spacings, 45 cm×25 cm, 40 cm×25 cm, 45 cm×20 cm, 40 cm×20 cm, and 30 cm×20 cm. The highest yield was obtained under the highest density, but its single root weight was the lightest in all 15 treatments. Among the varieties, the yield performance of Taoyuan selection NO.1 was the best. For considering the good marketing grade of radish, we suggest that the more suitable spacing at 40 cm×20 cm and 40 cm×25 cm. The performance in root weight and yield of Taoyuan selection NO.1 was the best at all three trial sites.
延伸閱讀
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