龙光霞, 黄渝岚, 何红, 唐新莲, 赵国梅, 蒋立序, 黎晓峰. 2011: 甘蔗幼苗失绿的土壤营养特性初探. 南方农业学报, 42(8): 931-934. DOI: 10.3969/j.issn.2095-1191.2011.08.025
引用本文: 龙光霞, 黄渝岚, 何红, 唐新莲, 赵国梅, 蒋立序, 黎晓峰. 2011: 甘蔗幼苗失绿的土壤营养特性初探. 南方农业学报, 42(8): 931-934. DOI: 10.3969/j.issn.2095-1191.2011.08.025
LONG Guang-xia, HUANG Yu-lan, HE Hong, TANG Xin-lian, ZHAO Guo-mei, JIANG Li-xu, LI Xiao-feng. 2011: Characterizing nutrient status of soils causing chlorosis in sugarcane seedlings. Journal of Southern Agriculture, 42(8): 931-934. DOI: 10.3969/j.issn.2095-1191.2011.08.025
Citation: LONG Guang-xia, HUANG Yu-lan, HE Hong, TANG Xin-lian, ZHAO Guo-mei, JIANG Li-xu, LI Xiao-feng. 2011: Characterizing nutrient status of soils causing chlorosis in sugarcane seedlings. Journal of Southern Agriculture, 42(8): 931-934. DOI: 10.3969/j.issn.2095-1191.2011.08.025

甘蔗幼苗失绿的土壤营养特性初探

Characterizing nutrient status of soils causing chlorosis in sugarcane seedlings

  • 摘要: 研究影响甘蔗幼苗失绿土壤因素,为克服失绿现象提供科学依据.对广西南宁、崇左、来宾等地甘蔗发生幼苗失绿问题土壤营养进行调查研究,分析土壤pH值、铁、铝、锰和有机质含量等与甘蔗失绿现象关系.甘蔗幼苗失绿病发土壤多属强酸性土壤,活性铝、交换性锰水平较高;土壤有机质、氮磷钾全量和有效水平总体上属于中高等水平;土壤有效铁含量不高,而与土壤有机质含量呈极显著正相关.甘蔗幼苗失绿可能与强酸性土壤中过多活性铝、锰及高效整合铁有关.

     

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