Effects of Different Mixed Sowing Methods of Silage Maize and Lablab Bean on Forage Yield and Quality

doi:10.11733/j.issn.1007-0435.2026.03.028

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (3): 1053-1059.DOI: 10.11733/j.issn.1007-0435.2026.03.028

Effects of Different Mixed Sowing Methods of Silage Maize and Lablab Bean on Forage Yield and Quality

LI Xiao-kun¹, ZHANG Li-ping², SHAN Xin-he¹, YANG Jun-wei², REN Wei¹, YANG Chao-wei¹, WANG Xian-guo¹

1. College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China;
2. Yuyang Grassland Workstation, Yulin, Shaanxi Province 719000, China

Received:2025-05-14 Revised:2025-07-14 Published:2026-03-23

青贮玉米与拉巴豆不同混播方式对饲草产量和品质的影响

李霄坤¹, 张利平², 单新河¹, 杨军卫², 任伟¹, 杨朝伟¹, 王显国¹

1. 中国农业大学草业科学与技术学院, 北京 100193;
2. 榆阳区草原工作站, 陕西榆林 719000

通讯作者: 王显国，E-mail：grasschina@126.com
作者简介:李霄坤（2000-），女，汉族，甘肃金昌人，硕士研究生，主要从事饲草生产与利用研究，E-mail：Li_Xiaokun0827@163.com；
基金资助:
国家牧草产业技术体系（CR-34）资助

Abstract

Abstract: To investigate the effects of different intercropping methods of lablab bean （Dolichos lablab L.） and silage maize （Zea mays L.） on grass production performance and forage quality， a randomized block design was adopted in this experiment， and two mixed sowing methods were set up， peer mixed sowing （T₀： Mono-cropping of maize； T₁： silage maize+1 seed of lablab bean hole sowing； T₂： silage maize+2 seeds of lablab bean hole sowing； T₃： silage maize+3 seeds of lablab bean hole sowing） and inter row mixed sowing （X₀： Mono-cropping of maize； X₁： silage maize+15 kg·hm^-² lablab bean； X₂： silage maize+22.5 kg·hm^-² lablab bean， X_3： silage maize+30 kg·hm^-² lablab bean）. The results showed that the stem diameter of silage maize under peer mixed sowing （T₁， T₂， and T₃） was significantly increased by 13.9%， 15.0%， and 26.4%， respectively， compared to that of maize monoculture. For total dry matter， there was no significant difference in peer mixed sowing T₁ compared to maize monoculture， while both mixing treatments （T₂ and T₃） were significantly lower compared to maize monoculture. There was no significant difference in inter row mixed sowing of X₁ and X₂ compared to maize monoculture， while X₃ treatment was significantly lower than maize monoculture. In inter row mixed sowing， the crude protein content of X₁ and X₂ was significantly increased by 27.5% and 57.0%， respectively， compared to that of X₀. In summary， it is recommended that silage maize inter-row mixing of 22.5 kg·hm^-2 （X₂） lablab beans can be used as a suitable mixing method in the northern part of Shaanxi Province.

Key words: Lablab bean, Silage maize, Mixed sowing, Yield, Forage quality

摘要： 为探究拉巴豆（Dolichos lablab L.）与青贮玉米（Zea mays L.）不同混播方式对草地生产性能和饲草品质的影响，本试验采用随机区组设计，设置同行混播（T₀：玉米单播；T₁：玉米+1粒拉巴豆穴播；T₂：玉米+2粒拉巴豆穴播；T₃：玉米+3粒拉巴豆穴播）和间行混播（X₀：玉米单播；X₁：玉米+15 kg·hm^-2 拉巴豆；X₂：玉米+22.5 kg·hm^-2 拉巴豆；X₃：玉米+ 30 kg·hm^-2 拉巴豆）处理。结果表明：同行混播（T₁，T₂，T₃）下青贮玉米的茎粗分别较玉米单播显著提高了13.9%，15.0%和26.4%；同行混播T₁的饲草总干产量与玉米单播无显著差异，而混播（T₂和T₃）均显著降低了饲草的总干产量；X₁和X₂间行混播的总干产量与玉米单播相比无显著差异，X₃处理的总干产量显著低于玉米单播。间行混播中，X₁和X₂处理的粗蛋白含量分别较X₀显著增加了27.5%和57.0%。综上所述，推荐青贮玉米间行混播22.5 kg·hm^-2（X₂）拉巴豆作为陕西北部地区适宜的混播方式。

关键词: 拉巴豆, 青贮玉米, 混播, 产量, 营养品质

CLC Number:

S513

LI Xiao-kun, ZHANG Li-ping, SHAN Xin-he, YANG Jun-wei, REN Wei, YANG Chao-wei, WANG Xian-guo. Effects of Different Mixed Sowing Methods of Silage Maize and Lablab Bean on Forage Yield and Quality[J]. Acta Agrestia Sinica, 2026, 34(3): 1053-1059.

李霄坤, 张利平, 单新河, 杨军卫, 任伟, 杨朝伟, 王显国. 青贮玉米与拉巴豆不同混播方式对饲草产量和品质的影响[J]. 草地学报, 2026, 34(3): 1053-1059.

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Effects of Different Mixed Sowing Methods of Silage Maize and Lablab Bean on Forage Yield and Quality

青贮玉米与拉巴豆不同混播方式对饲草产量和品质的影响

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