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Turtle

種植資料搜集

January 11, 2021
陳昉晴 周倩宜 蘇巧晴 何佑希 姚悅生 袁晞穎 | TRUE LIGHT MIDDLE SCHOOL OF HONG KONG

種植資料搜集

1. 成功種植可食用大白菜的條件
種植大白菜時，澆水的最佳時間是在中午前後。在幼苗期不用施肥，當大白菜長出8片真葉，此時就需要多次追施有機肥，以促進白菜的生長。

另外，應在種菜前把所用的土壤要晾曬，及要在雨後要及時排水，這樣才能成功種出可食用大白菜。

2. 可供綠海龜安全食用的大白菜有什麼要素
我們要確保色澤不可以灰和黄，更不可以腐爛。由於在細菌的作用下，大白菜中的硝酸鹽轉變為有毒的亞硝酸鹽，可使血液中的低血紅細胞氧化，變豐高鐵血紅蛋白，更新換代去攜氧能力，使生物發生嚴重的缺氧引起中毒，什至有生命危險，因此我們需要提供綠海龜新鮮和健康的大白菜。

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