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浮萍浪跡

金虫 (小有名气)

[求助] 【求助】測定土壤有機質含量

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zb19821212

铁杆木虫 (职业作家)

挖掘钛白粉....

【答案】应助回帖

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浮萍浪跡: 金币+2, 博学EPI+1, ★★★很有帮助 2012-05-09 10:03:08
参考链接https://wenku.baidu.com/view/61132f0f79563c1ec5da71ab.html
貌似颜色变化不对,是不是土壤中有机质太多而重铬酸钾加入量太少?
2楼2012-04-18 17:14:27
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浮萍浪跡

金虫 (小有名气)

???????:
2?: Originally posted by zb19821212 at 2012-04-18 17:14:27:
?ο?????http://wenku.baidu.com/view/61132f0f79563c1ec5da71ab.html
ò??????仯?????????????????л??????????????????????

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????????????f?????/??????????180-220????g????????@????^?????????????t???????????P?Y??????f?????y??????ЙC?|???????????r?g?????????^?????????????@????????????@???????????
?????y?????ЙC?|???????yCOD???????????????????????????????????????
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3楼2012-04-19 14:14:48
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panyannan

木虫 (小有名气)

试着减少土壤的称样量,正常来说这就可以解决了
4楼2012-07-11 10:13:35
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