杂交狼尾草与不同牧草间作对混合饲草产量和品质的影响  

Effects of intercropping of Hybrid Pennisetum and different forages on yield and quality of mixed forage

作　　者：徐远东[1,2] 范彦 朱瑞芬[1] 唐冰霞 刘宗均 杨克露 陈积山 XU Yuandong;FAN Yan;ZHU Ruifen;TANG Bingxia;LIU Zongjun;YANG Kelu;CHEN Jishan(Chongqing Academy of Animal Husbandry Sciences,Chongqing 402460,China;Chongqing Grassland Engineering Technology Research Center,Chongqing 402460,China;Chongqing Lingkong Urban Agricultural Development and Construction Co.,Ltd,Chongqing 401120,China;Agriculture and Rural Committee of Wuxi County,Chongqing 405800,China;Livestock Industry Development Center of Youyang County,Chongqing 409800,China)

机构地区：[1]重庆市畜牧科学院,重庆402460 [2]重庆市草业工程技术研究中心,重庆402460 [3]重庆临空都市农业开发建设有限公司,重庆401120 [4]巫溪县农业农村委员会,重庆405800 [5]酉阳县畜牧产业发展中心,重庆409800

出　　处：《中国饲料》2024年第15期162-166,共5页China Feed

基　　金：国家牧草产业技术体系云阳综合试验站(21208);重庆市财政专项资金项目《青贮饲草调制关键技术与发酵品质评价》(22538C);重庆渝北科技计划项目《杂交狼尾草资源创新与利用关键技术研究》(22315);重庆市现代农业产业技术体系(CQMAITS202313)。

摘　　要：为研究杂交狼尾草(Hybrid Pennisetum)与不同牧草进行间作栽培对混合饲草产量和品质的影响,试验选取拉巴豆(Lablab purpureus)、甜高粱(Sorghum bicolor)、籽粒苋(Amaranthus hypochondriacus)、豇豆(Vigna unguiculata Linn.Walp.)、紫花苜蓿(Medicago sativa)为间作栽培对象,按行距100 cm进行间作;经一个年度饲草生育期观察,并进行生产性能指标、营养成分指标测定,隶属函数综合评价和经济效益分析。结果显示:杂交狼尾草与拉巴豆和甜高粱间作具有较好的生育期匹配性,一年可刈割利用2次;与拉巴豆间作栽培处理的营养品质评价最好,隶属函数均值为0.62,混合饲草粗蛋白质含量达15.91%;与甜高粱间作栽培处理的经济效益最好,年度鲜草产量达103.92 t/hm^(2),年度经济收入达46763.37 CNY/hm^(2)。研究表明,拉巴豆和甜高粱均适合与杂交狼尾草进行间作栽培生产。The experiment aimed to investigate the effects of intercropping Hybrid Pennisetum with different forages on the yield and quality of mixed forage.The experiment selected Lablab purpureus,Sorghum bicolor,Amaranthus hypochondricus,Vigna unguiculata(Linn.)Walp.,and Medicago sativa as intercropping cultivation objects,and intercropped them with a row spacing of 100 cm;After an annual observation of forage growth period,production performance indicators,nutritional composition indicators,comprehensive evaluation of membership functions,and economic benefit analysis were conducted.The results showed that the intercropping of Hybrid Pennisetum with Laba bean and sweet sorghum had good growth period matching,and could be cut and utilized twice a year;The nutritional quality evaluation of intercropping with Laba bean was the best,with a mean membership function of 0.69 and a crude protein content of 15.91%in the mixed forage;The economic benefits of intercropping with sweet sorghum were the best,with an annual fresh grass yield of 103.92 t/hm^(2) and an annual economic income of 46763.37 CNY/hm^(2).Research had shown that both Laba bean and sweet sorghum were suitable for intercropping with Hybrid Pennisetum for production.

关 键 词：杂交狼尾草 牧草 间作 产量 品质 

分 类 号：S816.5[农业科学—饲料科学]