【作者】 渠晖； 沈益新；

【Author】 Qu Hui SHEN Yi-xin~* (College of Animal Science and Technology,Nanjing Agricultural University,Nanjing 210095,China)

【机构】 南京农业大学动物科技学院；

【摘要】 为探索华东地区青贮作物多元化的可能性,在大田试验条件和施肥水平下,以渝单8号和登海9号玉米为参照,研究了大力士甜高粱的干物质产量、饲草品质、青贮发酵品质和青贮饲料品质。结果表明,夏播大力士甜高粱至9月下旬刈割,地上部干物质产量达44.0t/hm2,显著高于玉米(p<0.05)。大力士的粗蛋白含量5.11%,介于两个玉米品种之间;粗蛋白质和可消化干物质产量分别达到2.25和20.8t/hm2,分别是玉米的1.4倍和1.6倍。大力士甜高粱青贮发酵品质和青贮饲料品质的表现和玉米相差不大。因此,大力士甜高粱在华东地区用作青贮作物栽培有较大的利用潜力。更多还原

【Abstract】 In order to explore the possibility of the pluralism of silage crops in East China,dry matter field, feeding value,silage quality and silage fermentation quality of Hunnigreen were researched,comparing with Yudan No.8 and Denghai No.9 under the same conditions of field environment and fertilization level.The results showed that the Hunnigreen of sowing in spring was cut in late September,the above ground dry matter field of which was higher than two corn varieties significant(p<0.05 ),reaching 44.0t/hm~2.The CP content of sweet sorghum was 5.11%,between in two corns.The yield of digestible crude protein and digestible dry matter of sweet sorghum reached 2.25 and 20.8t/hm~2,respectively,which were 1.4 and 1.6 times of corn;the silage quality and silage fermentation quality of sweet sorghum were equal with corns.Thereby the sweet sorghum was considered great potential forage to make silage crops in east China.更多还原