甘蔗新品种‘桂糖42号’对不同施氮水平的响应
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摘要
在磷钾肥得到满足的条件下,以我国甘蔗生产上的常规施氮水平即600 kg/hm~2作对照,设置4种不同的施氮水平试验,探讨甘蔗品种‘桂糖42号’对不同施氮水平的响应。结果显示,‘桂糖42号’的最佳施氮量为150～300 kg尿素/hm~2,其蔗产量达到95.17～96.21 t/hm~2,单位面积含糖量达到14.07～14.97 t/hm~2,试验结果进一步证明了‘桂糖42号’具有较强的生物固氮能力。
Under the conditions that phosphate and potassium fertilizers were well available, sugarcane variety Guitang 42 were applied with nitrogen at four different levels to estimate its response to nitrogen compared with conventional level of nitrogen, i.e. 600 kg/ha, in sugarcane production in China. The results showed that the optimum nitrogen application rate of Guitang 42 was 150-300 kg urea/ha, in which case the yields of cane and sugar were 95.17-96.21 and 14.07-14.97 t/ha, respectively. The experimental results further proved that Guitang 42 had a high biological nitrogen fixation ability.
Under the conditions that phosphate and potassium fertilizers were well available, sugarcane variety Guitang 42 were applied with nitrogen at four different levels to estimate its response to nitrogen compared with conventional level of nitrogen, i.e. 600 kg/ha, in sugarcane production in China. The results showed that the optimum nitrogen application rate of Guitang 42 was 150-300 kg urea/ha, in which case the yields of cane and sugar were 95.17-96.21 and 14.07-14.97 t/ha, respectively. The experimental results further proved that Guitang 42 had a high biological nitrogen fixation ability.
引文
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[2]段维兴.广西蔗糖产业发展现状及对策[J].中国糖料,2016, 38(1):65-72, 75.
[3]张跃彬,吴才文.国内外甘蔗产业技术进展及发展分析[J].中国糖料, 2017, 39(3):47-50.
[4]王继华,商贺阳,杨少海.我国甘蔗养分高效利用的研究进展[J].中国糖料, 2018, 40(6):66-68, 72.
[5]谢如林,谭宏伟,周柳强,等.不同氮磷施用量对甘蔗产量及氮肥、磷肥利用率的影响[J].西南农业学报,2012, 25(1):198-202.
[6]刘燕群,李玉萍,梁伟红,等.国外甘蔗产业发展现状[J].世界农业, 2015(8):147-152.
[7]王超然.不同水肥配比对甘蔗生长及养分状况的影响[D].南宁:广西大学, 2018.
[8]农雪萍.甘蔗品种在崇左市江州区对比试验初报[J].广西糖业, 2016, 26(3):11-13.
[9]王伦旺,廖江雄,谭芳,等.高产高糖抗倒伏甘蔗新品种桂糖42号的选育及高产栽培技术[J].南方农业学报, 2015, 46(8):1 361-1 366.
[10]邓宇驰,王伦旺,王泽平,等.甘蔗品种桂糖42号的种性及其高产稳产性分析与评价[J].南方农业学报,2018, 49(1):42-47.
[11]唐启义. DPS②数据处理系统(第2版)[M].北京:科学出版社, 2010.
[12]广西甘蔗栽培编写组.广西甘蔗栽培[M].南宁:广西科学技术出版社, 1991.
[13]胡春锦,史国英,曾泉,等.两种不同土壤条件下可培养甘蔗内生固氮菌的多样性[J].中国土壤与肥料,2017(2):141-148.
[14]张艳梅,杨丽涛,李翔,等.不同氮水平对三个甘蔗品种氮代谢关键酶活性及相关活性物质含量的影响[J].南方农业学报, 2015, 46(5):766-771.
[15]刀静梅,郭家文,崔雄维,等.不同供氮水平对甘蔗产量和品质的影响[J].中国糖料, 2011(2):22-23.
[16]王伦旺,李杨瑞,何为中,等.以茎尖组培苗检测甘蔗体内内生固氮菌的固氮活性[J].植物生理学通讯,2007, 43(1):65-69.
[17]蓝立斌,陈超君,米超,等.不同施氮量对甘蔗生理性状、产量和品质的影响[J].广西农业科学,2010, 41(12):1 269-1 272.
[18]罗晟昇,廖韦卫,韦海球,等.不同氮水平对甘蔗组培苗增殖的影响[J].中国热带农业, 2019(1):54-57, 61.