A set of orthogonal experiments was conducted to study effects ofAnaerobic Fermentation Residues (AFR) on nitrate accumulation in rape and spinach, respectively.
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美
- 通过正交实验,分析沼气发酵残余物(沼液、沼渣)作为肥料,其施肥量、配施品种、施用方式等因素对油菜和菠菜硝酸盐积累的影响。