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燃煤烟气脱硫镁渣对沙冬青种子萌发及幼苗生长的影响/Effects of Desulphurization Magnesium Slag from Flue Gas on Seed Germination and Seedling Growth of Ammopiptanthus mongolicus[J]
Authors
中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011/中国科学院吐鲁番沙漠植物园,新疆吐鲁番838008
中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011/中国科学院研究生院,北京100049
+8 more
刘艳丽
哈密地区环境监测站,新疆哈密,839000
尹林克
李彦
清华大学,北京,100084
王凌
王雷涛
陈昌和
Publication date
1 January 2011
Publisher
Abstract
采用室内光照培养法(光温自动控制的光照培养箱),研究沙质土壤中施加燃煤烟气脱硫镁渣(以下简称脱硫镁渣)对沙冬青(Ammopiptanthus mongolicus)种子萌发及幼苗生长的影响。结果表明:脱硫镁渣对种子萌发、幼苗出土和幼苗根系生长有显著的抑制作用;施用脱硫镁渣对幼苗的单株鲜/干重、总生物量及茎生长有显著的促进作用。与对照相比,在种子萌发到幼苗建成的整个过程中,当脱硫镁渣施用量在5~15 g/kg时,种子萌发率和幼苗出土率显著降低,幼苗生物量显著提高;脱硫镁渣施用量小于5 g/kg时,对于种子萌发和幼苗生长均无显著影响;施用量大于15 g/kg,单株干重、鲜重、生物量和幼苗茎生长均极显著增加,种子萌发率和幼苗出苗率极显著降低
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Last time updated on 29/11/2016