有机肥、硫酸镁、钙镁磷及石灰在酸性红壤蔗区的施用效应  

Effect of Applying Organic, Magnesium Sulfate, Calcium Magnesium Phosphate and Lime on Sugar Cane in Acid Red Soil

作　　者：王亚彪[1,2] 黄振瑞[1] 江永[1] 卢颖林[1] 陈迪文[1] 周文灵[1] 黄莹[1] 陈红香[1] 敖俊华[1] 

机构地区：[1]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510316 [2]广东广垦糖业集团有限公司,广东湛江524022

出　　处：《甘蔗糖业》2016年第3期10-13,共4页Sugarcane and Canesugar

基　　金：广东省自然科学基金(2014A030313658);广东省科技创新能力建设(2015B070701001);国家现代农业产业技术体系甘蔗专项(CARS-20-3-1);广东省农业科技成果转化资金项目(2012NL015)

摘　　要：针对华南酸性红壤蔗区甘蔗生产的土壤限制因子,通过布置田间试验,研究了增施有机肥、镁肥和石灰,以及施用钙镁磷肥对甘蔗农艺、产量及品质性状的影响。结果表明:适量增施石灰、钙镁磷肥及有机肥,可提高土壤p H;不同处理间的甘蔗萌芽没有显著差异,而株高、茎径、蔗产量及蔗糖分等存在差异。与常规处理相比,增施镁肥的甘蔗株高及产量,增施有机肥的茎径及蔗产量,增施石灰的甘蔗糖分有显著提高;同时,与常规处理相比,增施有机肥、镁肥、石灰及施用钙镁磷肥的甘蔗收益分别提高31.93%、40.74%、14.92%和18.74%。A field experiment was carried out in acid soil of South China to study the effect of applying organic, magnesium sulfate, calcium magnesium phosphate and lime on sugarcane agronomic traits, yield and sucrose content. Results showed that the soil pH value increased with application of lime, calcium magnesium phosphate, and organic fertilizers. There was no significant difference in sugarcane germination among the treatments. However, there were significant differences in plant height, diameter, cane yield and sucrose content. Plant height and cane yield with magnesium sulfate, cane diameter and cane yield with organic fertilizer, and the sucrose content with lime were higher than that of the CK. Also, the net incomes were increased by 31.93%, 40.74%, 14.92% and 18.74% with the organic, magnesium sulfate, calcium magnesium phosphate and lime respectively, compared with that of the CK.

关 键 词：甘蔗 土壤PH 限制因子 蔗产量 蔗糖分 

分 类 号：S566.1[农业科学—作物学]