不同新型肥料对土壤肥力及烤烟生长的影响
Chinese Agricultural Science Bulletin（2017）
Abstract
通过大田试验研究不同新型肥料对土壤肥力及烤烟生长的影响.结果表明:液态有机中微量肥能显著提高速效钾、速效磷含量、土壤碱解氮、烤烟叶面积指数与成熟期光合有效辐射,提高烤烟物理性状、土壤有机质含量与土壤pH,促进烤烟根系生长发育;液态生物肥能显著提高烤烟的叶面积指数与土壤碱解氮含量,显著降低土壤pH,促进烤烟根系生长;固态生物肥有利于土壤有机质含量提高,但烤烟根系要劣于常规施肥;上述新型肥料均可促进烤烟生长与成熟,提高烤烟成熟期光合有效辐射,提高烤烟旺长期与成熟期的叶面积指数.
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Key words
soil fertility,growth of flue-cured tobacco,new type fertilizer
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