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peterwell:好文章,拜读了。探讨一点,现在烟草很少用碳铵,底肥用硫基复合肥,追肥多用硝铵,硝酸钾。 (2011-10-26 13:52)
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jackysheng230:烟草个地方用肥不一样,湖南的基肥就是有机无机复混肥。要注重铵氮和硝氮的比例,氮磷钾的比例,一般是以氮定磷钾。生产硝铵、硫酸钾和硝酸钾的厂家可以多与烟草联系,生产尿素的就免了。 (2011-10-26 15:04)
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