安徽沿江双季稻区适宜紫云英品种比较研究
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摘要
[目的]筛选适合安徽省沿江双季稻区种植利用的紫云英品种。[方法]2016年于安徽桐城通过田间小区试验对7个紫云英品种进行了比较研究。[结果]鲜草产量较高的品种为南昌种、湘肥1号、弋江籽,其中南昌种的鲜草量最高,达31 657.65 kg/hm~2,比湘肥1号增产0.51%,比弋江籽增产8.23%;信阳种、弋江籽、湘肥1号鲜草中氮磷钾养分含量高于其他品种;固氮、吸收富集磷钾能力最强的是弋江籽和湘肥1号,氮、磷、钾总积累量分别达193.50、186.45 kg/hm~2。[结论]从产青量、干物质量、养分富集能力等多方面综合考虑,确定弋江籽和湘肥1号适宜于安徽沿江双季稻区及生态条件相近的同纬度双季稻区的种植和利用。
[Objective] To screen proper Astragalus sinicus L.varieties suitable for Anhui Double Cropping Rice Areas along Yangtze River. [Method] A field experiment on 7 varieties of Astragalus sinicus was conducted in Tongcheng City of Anhui Province in 2016. [Result] Nanchangzhong, Xiangfei No.1 and Yijiangzi showed higher fresh grass yield. Among them, Nanchangzhong had the highest yield of fresh grass, which was 31 657.65 kg/hm~2, increased by 0.51% and 8.23% compared with Xiangfei 1 and Yijiangzi, respectively. The contents of nitrogen, phosphorus and potassium in the fresh grass of Xinyangzhong,Yijiangzi and Xiangfei No.1 were higher than those of the other four varieties. The total amount of nitrogen, phosphorus and potassium accumulated in Yijiangzi and Xiangfei No.1 was 193.50 and 186.45 kg/hm~2, respectively. [Conclusion] Considering the fresh plant weight, dry matter amount, nutrient enrichment capacity, Yijiangzi and Xiangfei No.1 were suitable to be planted in double-rice cropping region in Anhui Province along the Yangtze River and other regions with similar ecological conditions.
[Objective] To screen proper Astragalus sinicus L.varieties suitable for Anhui Double Cropping Rice Areas along Yangtze River. [Method] A field experiment on 7 varieties of Astragalus sinicus was conducted in Tongcheng City of Anhui Province in 2016. [Result] Nanchangzhong, Xiangfei No.1 and Yijiangzi showed higher fresh grass yield. Among them, Nanchangzhong had the highest yield of fresh grass, which was 31 657.65 kg/hm~2, increased by 0.51% and 8.23% compared with Xiangfei 1 and Yijiangzi, respectively. The contents of nitrogen, phosphorus and potassium in the fresh grass of Xinyangzhong,Yijiangzi and Xiangfei No.1 were higher than those of the other four varieties. The total amount of nitrogen, phosphorus and potassium accumulated in Yijiangzi and Xiangfei No.1 was 193.50 and 186.45 kg/hm~2, respectively. [Conclusion] Considering the fresh plant weight, dry matter amount, nutrient enrichment capacity, Yijiangzi and Xiangfei No.1 were suitable to be planted in double-rice cropping region in Anhui Province along the Yangtze River and other regions with similar ecological conditions.
引文
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[2] 王琴,潘兹亮,吕玉虎,等.紫云英绿肥对土壤养分的影响[J].草原与草坪,2011,31(1):58-60,65.
[3] 杨曾平,徐明岗,聂军,等.长期冬种绿肥对双季稻种植下红壤性水稻土质量的影响及其评价[J].水土保持学报,2011,25(3):92-97,102.
[4] 高菊生,曹卫东,李本荣,等.充分利用冬闲稻田大力发展绿肥生产[J].耕作与栽培,2009(2):1-2,12.
[5] 曹卫东,黄鸿翔.关于我国恢复和发展绿肥若干问题的思考[J].中国土壤与肥料,2009(4):1-3.
[6] 李继明,黄庆海,袁天佑,等.长期施用绿肥对红壤稻田水稻产量和土壤养分的影响[J].植物营养与肥料学报,2011,17(3):563-570.
[7] 鲍士旦.土壤农化分析[M].3版.北京:中国农业出版社,2000.
[8] 刘佳,曹卫东,荣向农,等.华北冬绿肥作物二月兰的营养特征研究[J].中国土壤与肥料,2012(1):78-82.
[9] 张海芝,杨守乐,刘德峰,等.棉田套作芥菜绿肥防治黄萎病效果[J].作物杂志,2004(1):30.
[10] 龙安华,倪才英,曹永琳,等.土壤重金属污染植物修复的紫云英调控研究[J].土壤,2007,39(4):545-550.