酒泉市不同茬口对甜高粱农艺性状及产量的影响  

Effects of Different Stubbles on Agronomic Characters and Yield of Sweet Sorghum in Jiuquan

作　　者：孙向春 贾玉娟[2] 杨仁义 马骊[3] 武军艳[3] 孙万仓[3] SUN Xiangchun;JIA Yujuan;YANG Renyi;MA Li;WU Junyan;SUN Wancang(Jiuquan Academy of Agricultural Sciences,Jiuquan,Gansu 735000,China;Jiuquan Vocational and Technical College,Jiuquan Gansu 735000,China;College of Agriculture,Gansu Agricultural University,Lanzhou,Gansu 730070,China)

机构地区：[1]酒泉市农业科学研究院,甘肃酒泉735000 [2]酒泉职业技术学院,甘肃酒泉735000 [3]甘肃农业大学农学院,甘肃兰州730070

出　　处：《陕西农业科学》2022年第12期36-38,共3页Shaanxi Journal of Agricultural Sciences

基　　金：国家现代农业产业技术体系(CARS-12);甘蓝型冬油菜品种替代及抗寒高产关键技术研究(GSLK-2021-12)。

摘　　要：为了探索甜高粱的种植茬口,通过大田小区试验研究了不同茬口对甜高粱农艺性状、产量、茎秆糖锤度以及对土壤容重的影响。结果表明:绿肥茬口均能不同程度的提高甜高粱的株高、分蘖数等性状,三种绿肥茬口下甜高粱的秆糖锤度为13.97%~14.51%,叶鲜产量为6862.2~7199.7 kg/667 m^(2),其中箭舌豌豆茬产量最高为7199.7 kg/667 m^(2),较小麦茬增产4.7%,绿肥翻压还田后均能降低土壤容重,提高土壤孔隙度。In order to explore the planting stubbles of sweet sorghum,the effects of different stubble on agronomic characters,yield,stem brix and soil bulk density of sweet sorghum were studied through field plot experiment.The results showed that the green manure stubble could improve the plant height and tiller number of sweet sorghum to varying degrees.Under the three green manure stubble,the sugar brix of sweet sorghum was 13.97%~14.51%,and the fresh leaf yield was 6862.2~7199.7 kg/667 m^(2).Among them,the yield of common vetch stubble was the highest,which was 7199.7 kg/667 m^(2),and the yield was increased by 4.7%compared with wheat stubble.After green manure was turned and returned to the field,the soil bulk density could be reduced,the soil porosity was improved.

关 键 词：不同茬口 甜高粱 酒泉市 

分 类 号：S514[农业科学—作物学]