《Table 1 p H and electrical conductivity of different distiller's grain sub-strates》

《Table 1 p H and electrical conductivity of different distiller's grain sub-strates》   提示:宽带有限、当前游客访问压缩模式
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《Effects of Distiller's Grain Substrate with Acid Regulation on the Growth of Tobacco Seedlings in Floating Breeding System》


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According to Table 1,the commodity substrate(CK2)was acidic,but the distiller's grain substrate without humic acid(CK1)was alkaline.With the increase of humic acid dosage,the p H of the substrates in treatments A,B,C and D reduced,and was close to that of the commodity substrate gradually.The electrical conductivity of the distiller's grain substrate without humic acid was up to 560.49μs/cm,while that of the commodity substrate was only 351.28μs/cm.Along with the increase of humic acid dosage,the electrical conductivity of the substrates decreased firstly and then increased.