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有機稻田不同雜草控制方法對稻米品質之影響

摘要


本試驗探討不同雜草控制方法對稻米品質之影響。2001年二期作至2002年二期作連續三期作於中興大學農業試驗場進行田間試驗。水稻生育期間,不同的雜草控制方法,營造出不同的生長環境,除了會影響稻穀產量外,對於稻米的品質也會造成影響。不同雜草控制方法對米粒外觀沒有顯著影響。期作間以二期作稻米之直鏈性澱粉及粗蛋白含量較高。2001年二期作以煙燻稻殼及紙膜敷蓋處理之粗蛋白含量較低,所以食味口感較軟。而2002年二期作以黃豆粉及米糠處理之粗蛋白含量較高,推測原因為原料中含有高量之氮素所致。

並列摘要


Field experiments were conducted from the second crop season of 2001 through the second crop season of 2002 on the paddy fields at Agriculture Experimental Station of National Chung Hsing University. To investigate effects of several weed control methods on quality of rice cultivar Tai-Keng in organic farming. Chemical and physical qualities of rice were investigated by laboratory analysis. Weed control measures had no significant effects on appearances of rice. The content of amylose and crude protein of rice were higher in the second crop than that in the first crop. Contents of crude protein in rice harvested from smoked rice hull and paper mulching plots were lower in the second crop of 2001. Contents of crude protein in rice harvested from soybean meal and rice bran treatments were higher in the second crop of 2002 than that from other treatments.

並列關鍵字

weed control rice quality amylose crude protein

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