Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (1): 366-376.DOI: 10.11733/j.issn.1007-0435.2026.01.035

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The Impact of Different Cultivation Measures on the Yield and Quality of Astragalus dahuricus Forage

YU Yao1, TANG Fang1, XU Jing2, YI Feng-yan3, YU Hao-jie1, HUANG Wei-ye1, DU Ke1   

  1. 1. Inner Mongolia Key Laboratory of Grassland Protection Ecology, Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010010, China;
    2. Forestry and Grassland Seedling Station of Inner Mongolia Autonomous region, Hohhot, Inner Mongolia 010020, China;
    3. Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, Inner Mongolia 010031, China
  • Received:2025-02-17 Revised:2025-04-14 Published:2025-12-24

不同栽培措施对达乌里黄耆牧草产量及品质的影响

于垚1, 唐芳1, 徐静2, 伊风艳3, 于浩洁1, 黄伟业1, 杜柯1   

  1. 1. 内蒙古农业大学草业学院/内蒙古自治区草原保护生态学重点实验室/农业部饲草栽培、加工与高效利用重点实验室, 内蒙古 呼和浩特 010010;
    2. 内蒙古自治区林业和草原种苗总站, 内蒙古 呼和浩特 010020;
    3. 内蒙古自治区农牧业科学院, 内蒙古 呼和浩特 010031
  • 通讯作者: 唐芳,E-mail:fta223@imau.edu.cn;徐静,E-mail:cnnmglczxj@163.com
  • 作者简介:于垚(2000-),男,汉族,辽宁沈阳人,硕士研究生,主要从事牧草种质资源与育种研究,E-mail:15147013551@163.com;
  • 基金资助:
    中央草原生态保护修复治理补助项目“浑善达克野生草品种培育和生产抚育”(RZ2200002252);内蒙古重点实验室开放课题“优质饲草种质资源鉴定评价与新种质创制”(2025KYPT0148);内蒙古农业大学高层次人才引进科研启动项目(NDGCC2016-18)资助

Abstract: To optimize the artificial cultivation model of Astragalus dahuricus (Pall.) DC., this study used a wild domesticated variety from the Hunshandak Sandy Land in Inner Mongolia as material, and employed a three-factor four-level orthogonal experimental design to investigate the effects of row spacing (40, 50, 60, 70 cm), seeding rate (10, 15, 20, 25 kg·hm-2), and the application amount of nitrogen-phosphorus-potassium compound fertilizer (105, 210, 315, 420 kg·hm-2) on yield and quality. Results showed that row spacing had the greatest effect on forage yield, with the order of influence being row spacing>seeding rate>fertilizer application rate. The orthogonal experiment range analysis identified the optimal cultivation combination for forage yield as 40 cm row spacing, 25 kg·hm-2 seeding rate, and 315 kg·hm-2 fertilizer application rate, under which the fresh and dry forage yields were the highest. Different cultivation measures had no significant effects on the contents of Neutral detergent fiber, Acid detergent fiber, Crude protein, Coarse ash, Stem-Leaf Ratio and Ether extract content. However, given the critical role of forage quality in production systems, a comprehensive evaluation integrating quality indices and yield was performed using the entropy weight method. The optimal cultivation regime balancing yield-quality synergy was ultimately established as: 50 cm row spacing, 25 kg·hm-2 seeding rate, and 420 kg·hm-2 fertilization rate. This study provides a scientific basis for the large-scale cultivation of A. dahuricus, and is of significant importance for improving forage production efficiency in the sandy lands of northern China.

Key words: Astragalus dahuricus, Row spacing, Seeding rate, Fertilizer amount, Forage yield, Forage quality

摘要: 为优化达乌里黄耆[Astragalus dahuricus (Pall.) DC.]人工栽培模式,本研究以内蒙古浑善达克沙地野生驯化种为材料,采用三因素四水平正交试验设计,探究行距(40,50,60,70 cm)、播种量(10,15,20,25 kg·hm-2)和氮磷钾复合肥施用量(105,210,315,420 kg·hm-2)对其产量及品质的影响。结果表明,行距对草产量的效应最大(行距>播种量>施肥量),由正交试验极差分析筛选出最优草产量栽培组合为,40 cm行距、25 kg·hm-2播种量和315 kg·hm-2施肥量,在此组合下鲜干草产量最高;不同栽培措施对中性洗涤纤维、酸性洗涤纤维、粗蛋白、粗灰分、茎叶比及粗脂肪含量无显著影响。但鉴于牧草品质在生产实践中的重要性,通过熵权法综合评价品质指标与草产量,最终筛选出50 cm行距、25 kg·hm-2播种量和420 kg·hm-2施肥量为兼顾产量与品质的最优栽培模式。本研究为达乌里黄耆规模化种植提供了科学依据,对提升北方沙地牧草生产效益具有重要意义。

关键词: 达乌里黄耆, 行距, 播种量, 施肥量, 草产量, 草品质

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