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Study on Peat Used as a Conditioner of Mixed Sandy Soil
Author(s): Zhao Hongyan, Li Jianwei, Yu Wenxi
Pages: 29-
31,47
Year: 2007
Issue:
4
Journal: HUMIC ACID
Keyword: 泥炭; 沙土; 改良剂; 腐植酸;
Abstract: 通过盆栽试验研究,考察不同剂量(0、5%、8%、10%)的泥炭对混合沙土(沙土∶校园土=4∶1)的改良效果.结果表明,泥炭能提高混合沙土的持水能力,降低沙土的pH值和容重,增加沙土的有机质、速效氮和腐植酸含量;与对照相比,施入泥炭对盆栽作物--白菜的生长和生物量都有促进作用,其中在白菜生长前期,8%的泥炭处理是最佳方案;而在白菜生长后期,10%的泥炭添加量具有明显的后效.
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