不同蔗豆间作复合群体对其农艺性状和产量的影响

目的]筛选出适宜的蔗豆间作复合群体,促进蔗豆生长、获得蔗豆丰产、增加农民收入,为蔗豆间作发展提供科学依据。方法]于2013、2014年采用两因素裂区设计,主因素为甘蔗行距,副因素为大豆行数,调查了蔗豆田间主要农艺性状及产量性状,并进行SAS统计分析,研究蔗豆间作复合群体对其主要农艺性状和产量的影响。结果]适宜的蔗豆间作复合群体不仅提高了蔗豆产量,还提高了甘蔗田间锤度,对大豆蛋白质和脂肪含量没有显著影响。当甘蔗行距1.2 m、行间间作2行大豆时,甘蔗产量和田间锤度最高,分别为110.13 t/hm2和19.94,蔗豆间作复合群体综合效益最高为34 190.4元/hm2。结论]甘蔗行距1.2 m、行间间作2行大豆间作复合群体在主要农艺性状、产量及综合效益方面表现较好。

Effects of Different Sugarcane/Soybean Intercropping on Their Yield and Agronomic Traits

Objective] To screen the suitable composite population of sugarcane/soybean intercropping, to promote sugarcane and soybean growth, to get more yield and increase the peasant's income, and to provide scientific references for the sugarcane/soybean intercropping. Method] Split block experiment was used in this experiment in 2013 and 2014.The main plot was sugarcane row spacing, and the subpolt was soybean line number.Main agronomic and yield characters were investigated.And the data were processed and analyzed using SAS statis-tical system.Effects of different sugarcane/soybean intercropping on their yield and agronomic traits were researched.Result] Suitable inter-cropping sugarcane/soybean enhanced the yields of sugarcane and soybean, improved the field brix of sugarcane, and had no significant im-pacts on the protein and fat contents of soybean.When the row spacing of sugarcane was 1.2 m with two lines of intercropped soybeans, the yields and fields brix of sugarcane were the maximum, which were110.13 t/hm2 and 19.94, respectively.The sugarcane/soybean intercrop-ping had the highest comprehensive benefit of 34 190.4 Yuan/hm2.Conclusion] The intercropping mode of 1.2 m row spacing of sugarcane with two lines of intercropped soybeans shows relatively good performance in yield, agronomic traits and comprehensive benefit.