施用有机土壤调理剂对土壤性质和甘蔗生长的影响
Effect of Organic Soil Conditioner on Soil Properties and Sugarcane Growth
DOI: 10.12677/HJAS.2018.86091, PDF,    国家科技经费支持
作者: 周文灵, 敖俊华, 江 永*:广东省生物工程研究所(广州甘蔗糖业研究所)/广东省甘蔗改良与生物炼制重点实验室,广东 广州;张跃彬, 邓 军:云南省农业科学院甘蔗研究所,云南 开远;高三基:福建农林大学,福建 福州
关键词: 有机土壤调理剂土壤理化性质甘蔗生长指标Organic Soil Conditioner Soil Physical and Chemical Properties Sugarcane Growth Indexes
摘要: 在粤西酸性土壤,以甘蔗品种粤糖03-373为材料,通过田间试验,研究了不同用量的有机土壤调理剂对土壤理化性质、甘蔗生长指标、蔗茎产量构成和甘蔗蔗糖分的影响。结果表明:与常规推荐施肥相比,增施适量的有机土壤调理剂(750~3000 kg/hm2)能提高土壤pH值和有机质含量,显著提高分蘖期土壤碱解氮、有效磷和速效钾含量;促进甘蔗生长,增加株高,提高蔗茎产量和甘蔗蔗糖分,增加净收益,其中以有机土壤调理剂施用量为1500 kg/hm2的效果最显著(p < 0.05),该处理甘蔗叶片SPAD值、株高、蔗茎产量、甘蔗蔗糖分和净收益分别比常规推荐施肥提高17.6%、7.8%、14.8%、6.1%和33.2%。
Abstract: A field experiment with sugarcane variety YT03-373, was carried out to investigate the effects of applying different amounts of organic soil conditioner on soil physical and chemical properties, sugarcane growth indexes, composition of cane yield, and sucrose in cane, in acid soil of west Guangdong province. The results showed that applying suitable amount (750 - 3000 kg/ha) organic soil conditioner enhanced pH value and the contents of organic carbon in acid soil. Soil available nutrients (nitrogen, phosphorus and potassium) were significantly increased in tilling stage, compared to the recommended fertilization, which promoted sugarcane growth indexes and significantly raised the plant height, cane yield, sucrose in cane and net income. Among all of the treatments, applying 1500 kg/ha soil conditioner obtained the most prominent impact on improving sugarcane growth and yield. In this treatment, the SPAD value, plant height, cane yield, sucrose in cane and net income increased by 17.6%, 7.8%, 14.8%, 6.1%, and 33.2%respectively, compared to the recommended fertilization.
文章引用:周文灵, 敖俊华, 张跃彬, 高三基, 邓军, 江永. 施用有机土壤调理剂对土壤性质和甘蔗生长的影响[J]. 农业科学, 2018, 8(6): 595-601. https://doi.org/10.12677/HJAS.2018.86091

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