种植模式对敖汉苜蓿和老芒麦干物质积累及经济效益的影响

doi:10.3969/j.issn.2096-1197.2018.05.22

北方农业学报 ›› 2018, Vol. 46 ›› Issue (5): 122-129.doi: 10.3969/j.issn.2096-1197.2018.05.22

种植模式对敖汉苜蓿和老芒麦干物质积累及经济效益的影响

危庆[1,2];赛吉日呼[1,2];王静[1,2];张德健[1,2];路战远[3];张向前[3];叶雪松[3];聪颖[1,2];程玉臣[3]

[1]内蒙古大学,内蒙古呼和浩特010020;[2]内蒙古大学生命科学学院牧草与特色作物生物技术教育部重点实验室,内蒙古呼和浩特010070;[3]内蒙古农牧业科学院,内蒙古呼和浩特010031

收稿日期:2018-09-02 出版日期:2018-08-19 发布日期:2019-08-19
作者简介:危庆（1992-），男，硕士研究生，研究方向为土壤耕作和农田生态。;通讯作者：程玉臣（1974-），男，研究员，学士，主要从事杂草防控技术的研究工作。
基金资助:
国家重点研发计划项目（2016YFC0500705）;内蒙古自治区重大专项（20161500）;内蒙古自治区科学技术厅科技计划项（201702105）

Effects of planting patterns on dry matter accumulation and economic benefitsof Medicago sativa and Elymus sibiricus

WEI Qing[1,2];Saijirihu[1,2];WANG Jing[1,2];ZHANG Dejian[1,2];LU Zhanyuan[3];ZHANG Xiangqian[3];YE Xuesong[3];GUO Congying[1,2];CHENG Yuchen[3]

[1]Inner Mongolia University,Hohhot 010020,China;[2]Key Laboratory of Forage and Endemic Crop Biotechnology,Ministry of Education,College of Life Sciences,Inner Mongolia University,Hohhot 010070,China;[3]Inner Mongolia Academy of Agricuhural and Animal Husbandry Sciences,Hohhot 010031,China

Received:2018-09-02 Online:2018-08-19 Published:2019-08-19

摘要/Abstract

摘要： 为区划农田牧草种植提供理论依据，在旱耕地条件下，以豆科牧草品种教汉苜蓿和禾本科牧草老芒麦为材料，研究苜蓿单播、老芒麦单播、老芒麦与苜蓿2：1混播对牧草各生育期的株高、茎秆干重、叶干重、地上植株总干重、产草量差异性和经济效益的影响。结果表明：在播种第1年刈割2次，在刈割期时，与单播种植模式相比，混播种植模式下老芒麦的株高增加8．93％，茎叶比增加63．55％，均在P〈0.05水平下存在显著性差异，茎秆干重增加13．12％，叶片干重减少32．14％，植株干重减少1．51％；混播种植模式下教汉苜蓿的株高减少27．49％，叶片干重增加13．39％，均在P〈0.05水平下存在显著性差异，茎仟干重降低了3．30％，植株干重增加1．04％，茎叶比降低了8．09％；单播教汉苜蓿当年干草总产量最高，为5720．83kg/hm^2，显著高于混播老芒麦＋教汉苜蓿（P〈0.05）和极显著高于单播老芒麦（P〈0.01），分别高出了16．46％和87．98％；单播教汉苜蓿经济效益值为6259．58元／hm^2，极显著高于混播老芒麦＋教汉苜蓿和单播老芒麦（P〈0.01），分别高出了52．22％和889．67％。

关键词: 种植模式;教汉苜蓿;老芒麦;干物质;经济效益

Abstract: Under the conditions of dry arable land, two forage species were selected as planting materials,which were Aohan Medicago sativa （Leguminous） and Elymus sibiricus （Gramineous）, respectively. The eftects of three classical planting patterns, including monoculture of Medicago sativa, monocuhure of Elymus sibiricus and mixed sowing of Elymus sibiricus and Medicago sativa （E：M=2：I）, on the plant characteristics and economic benefits were discussied. Detials were given for plant height, dry weight of stem, dry weight of leaves, total dry weight of aboveground, and total production during each growing season. The resuhs showed that as the defoliation fi＇equency was twice in the first sowing year, the plant height, stem-leaf ratio and dry weight of stem of Elymus sibiricus increased by 8.93%, 63.55% and 13.25%, respectively under the mixed sowing planting pattern compared with the monocuhure planting pattern. Meanwhile, dry weight of leaves and plant weight decreased by 48.28% and 1.35%, respectively. The significant difterences of all the above characteristics were at P〈0.05 level. The dry weight of stem increased by 13.25%, the dry weight of leaves decreased by 48.28%, and the dry weight of plants decreased by 1.35%. In addition, the plant height, stem-leaf ratio, dry weight of leaves and dry weight of stem of Aohan Medicago sativa decreased by 27.49%, 10.91%, 7.02% and 3.28% under the mixed sowing planting pattern, repeetively, while plant dry weight increased by 1.04%. The significant ditterenees of all the above characteristics were at P〈0.05 level. Furthermore, Aohan Medicago sativa represented the highest total production with 5 720.83 kg/hm^2,whieh was significantly greater, by 16.46%, than that of mixed torage （/）〈0.05） and highly significantly greater, by 87.98%, than that of monoeuhure Elymus sibiricus （P〈0.01）. Aohan Medicago sativa represented the highest benefit value with 6 255.58 yuan/hm^2, which was highly significant greater by 52.22% and 559.66% than that of mixed forage （P〈0.01） or monoeulture Elynms sibirieus （P〈0.01）, respectively.

Key words: Planting pattern;Medicago sativa;Elymus sibiricus;Dry matter;Economic benefit

中图分类号:

S816

危庆;赛吉日呼;王静;张德健;路战远;张向前;叶雪松;聪颖;程玉臣. 种植模式对敖汉苜蓿和老芒麦干物质积累及经济效益的影响[J]. 北方农业学报, 2018, 46(5): 122-129.

WEI Qing1,2 Saijirihu1,2 WANG Jing1,2 ZHANG Dejian1,2 LU Zhanyuan3, ZHANG Xiangqian3, YE Xuesong3, GUO Congying1,2, CHENG Yuchen3 （ 1. Inner Mongolia University, Hohhot 010020, China ; 2.Key Laboratory of Forage and Endemic Crop Biotechnology, Ministry of Education, College of Life Sciences, Inner Mongolia University, Hohhot 010070, China ; 3. Inner Mongolia Academy of Agricuhural and Animal Husbandry Sciences, Hohhot 010031,China）. Effects of planting patterns on dry matter accumulation and economic benefitsof Medicago sativa and Elymus sibiricus[J]. Journal of Northern Agriculture, 2018, 46(5): 122-129.

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种植模式对敖汉苜蓿和老芒麦干物质积累及经济效益的影响

Effects of planting patterns on dry matter accumulation and economic benefitsof Medicago sativa and Elymus sibiricus

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