野生大豆与青贮玉米混作对饲草产量及品质的影响
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摘要
通过在辽宁地区对2个野生大豆品系与青贮玉米进行混作栽培,研究其对饲草产量和营养成分的影响。结果表明:野生大豆与青贮玉米混作可显著提高饲草产量,二者混作收获物青贮后营养成分较玉米单播均有所增加,野生大豆品系LYD140116与青贮玉米在混播密度6.75万株/hm~2条件下,饲草产量和品质可达较佳水平。
The current research was aimed to determine the effects of the mixed intercropping of wild soybean(Glycine soja) with silage maize on the yield and nutrient composition of forage grass in Liaoning area. The two G.soja varieties LYD140116 and LYD140916 and the maize variety Dongke301 were used as experimental materials. The results showed that the mixed intercropping of G. soja and the silage maize significantly improved forage yield and nutrient contents in mixed G. soja and maize silages as compared with their counter parts in the maize sole cropping system.Under the condition of the mixed sowing density of 67,500 strains/hm2, the mixed intercropping of the G. Soja variety LYD140116 with maize achieved a higher yield and quality of forage grass.
The current research was aimed to determine the effects of the mixed intercropping of wild soybean(Glycine soja) with silage maize on the yield and nutrient composition of forage grass in Liaoning area. The two G.soja varieties LYD140116 and LYD140916 and the maize variety Dongke301 were used as experimental materials. The results showed that the mixed intercropping of G. soja and the silage maize significantly improved forage yield and nutrient contents in mixed G. soja and maize silages as compared with their counter parts in the maize sole cropping system.Under the condition of the mixed sowing density of 67,500 strains/hm2, the mixed intercropping of the G. Soja variety LYD140116 with maize achieved a higher yield and quality of forage grass.
引文
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[2]吴立新.新型饲料源——野大豆草粉[J].畜禽业,2004(9):61-62.
[3]李川东.一年生野生大豆和饲用高粱间作及其混合青贮的研究[D].南京:南京农业大学,2008:10-14.
[4]张淑艳,战海云,李强,等.玉米秣食豆混播比例对群体产量及产量构成的影响[J].中国农学通报,2014,30(3):205-208.
[5]郭郁频,任永霞,李亚奎,等.青贮玉米与扁豆混播栽培技术及营养价值评定研究[J].河北北方学院学报(自然科学版),2015,31(3):14-17.
[6]张晓梦,王树林,张瑞萍.黑龙江省西部地区扁豆与青贮玉米混种技术研究[J].黑龙江农业科学,2013(7):123-126.
[7]曾兵,黄凯琳,陈超.饲草生产学实验[M].重庆:西南师范大学出版社,2013:15-90.
[8]柳茜,傅平,苏茂,等.青贮玉米与拉巴豆混播生产性能研究[J].草业科学,2015(5):22-24.