In the acid-modified biochar group, it was found that the emergence rate showed a trend of decreasing first and then increasing with the increase in the acid-modified biochar amount.
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Effects of Common Biochar and Acid-Modified Biochar on Growth and Quality of Spinach in Coastal Saline Soils.
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The sentences
The LAI of spinach in Figure 4 showed a decreasing trend with the increase in the addition of common biochar, and the leaf area index of A3 was lower than that of CK.