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生物炭与堆肥配施对青菜生长及土壤改良的影响 被引量:3

Effects of different patterns of biochar and compost on growth and soil improvement of Brassica chinensis
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摘要 通过大棚盆栽试验,以青菜为试验材料,研究生物炭和自制堆肥不同配比模式混施对青菜性状和生物量积累的影响,以及对土壤的改良效果。结果表明,生物炭和堆肥配施对青菜物理性状改善、青菜产量增加、土壤养分含量积累均有促进作用。在生物炭和堆肥施入总质量一致的情况下,生物炭和堆肥以质量比3∶1混合施入对青菜生物量积累和产量增加的促进作用最大,产量(鲜质量)增加55.2%;生物炭和堆肥以质量比1∶1混合施入对土壤速效养分含量的增加效果最好;生物炭和堆肥以质量比3∶1施入对土壤有机质含量的增加最显著,可提高土壤有机质含量124.7%;生物炭和堆肥以质量比1∶3混合施入对提高土壤无机态氮含量有显著的促进作用,土壤铵态氮和硝态氮的含量分别比对照处理增加50.6%和77.5%。
出处 《江苏农业科学》 2020年第21期150-153,共4页 Jiangsu Agricultural Sciences
基金 杭州西湖风景名胜区(市园文局、市运保委)科技发展计划(编号:2017-001)。
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