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頁籤選單縮合
題 名 | 氮素施用量及分配率對水稻越光品種產量及米質之影響=Effects of Application Rates and Ratios of Nitrogen on the Grain Yield and Grain Quality of Koshihikari Rice |
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作 者 | 莊浚釗; 林孟輝; | 書刊名 | 桃園區農業改良場研究彙報 |
卷 期 | 61 2007.06[民96.06] |
頁 次 | 頁17-30 |
分類號 | 434.111 |
關鍵詞 | 水稻品種; 越光; 氮素施用量; 氮素分配率; 產量; 米質; Rice variety; Koshihikari; Application rates of nitrogen; Application rations of nitrogen; Grain yield; Grain quality; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗2004至2005年於桃園縣新屋鄉進行,主要探討氮素施用量及分配率對水稻越光品種生育、產量及米質之影響。試驗處理有兩個因子,包括3種氮素施用量及4種分配率,採逢機完全區集設計,3重複。試驗結果顯示,氮素施用量第一期作110 kg ha-1及第二期作100 kg ha-1處理,水稻越 光品種的株高、穗數、一穗粒數及產量為最佳。惟米質理化性質在第一、二期作氮素施用量分別以60kg ha-1及50 kg ha-1處理為最佳。氮素分配率在第一、二期作均以基肥55%、一追30%及穗肥15%處理,水稻越光品種生育、產量及米質為最佳。 |
英文摘要 | The field trials were conducted at Hsinwu, Taoyuan in 2004-2005 to study the effect of application rates and ratios of nitrogen on the growth, grain yield and grain qualities of Koshihikari rice. The treatments included three application rates and four ratios of nitrogen. A randomized complete block design with three replications was used. The results showed that the plant height, panicle, spikelet per panicle and grain yield of Koshihikari rice treated with application rate of nitrogen at 110 kg ha-1 in the 1st crop and 100 kg ha-1 in the 2nd crop were the best among the treatments, respectively. Whereas the physico-chemical properties of grain treated with application rate of nitrogen at 60 kg ha-1 in the 1st crop and at 50 kg ha-1 in the 2nd crop were better than these of other treatments, respectively. The growth, grain yield and grain quality of Koshihikari rice treated with the ratio of nitrogen, 55% ground fertilizer, 30% additional fertilizer and 15% sprouting head fertilizer was better than these of other treatments in the 1st and the 2nd crop. |
本系統中英文摘要資訊取自各篇刊載內容。