燕麦红芸豆带状间作的产量效应及根系形态与土壤酶活性

doi:10.3724/SP.J.1006.2025.41019

作物学报 ›› 2025, Vol. 51 ›› Issue (2): 459-469.doi: 10.3724/SP.J.1006.2025.41019

燕麦红芸豆带状间作的产量效应及根系形态与土壤酶活性

张辰煜¹(), 葛军勇², 褚俊聪¹, 王星宇², 赵宝平³, 杨亚东¹^,^*(), 臧华栋¹, 曾昭海¹^,^*()

¹中国农业大学农学院 / 农业农村部农作制度重点实验室, 北京 100193
²张家口市农业科学院, 河北张家口 075000
³内蒙古农业大学农学院, 内蒙古呼和浩特 010019

收稿日期:2024-03-10 接受日期:2024-10-25 出版日期:2025-02-12 网络出版日期:2024-11-12
通讯作者: *杨亚东, E-mail: yadong_tracy@cau.edu.cn; 曾昭海, E-mail: zengzhaohai@cau.edu.cn
作者简介:E-mail: s20223010033@cau.edu.cn
基金资助:
国家重点研发计划项目(2023YFD1600702);财政部和农业农村部国家现代农业产业技术体系建设专项(CARS07-B-5);财政部和农业农村部国家现代农业产业技术体系建设专项(CARS07-A-6)

Yield effect and its root and soil enzyme characteristics of oat and red kidney bean strip intercropping

ZHANG Chen-Yu¹(), GE Jun-Yong², CHU Jun-Cong¹, WANG Xing-Yu², ZHAO Bao-Ping³, YANG Ya-Dong¹^,^*(), ZANG Hua-Dong¹, ZENG Zhao-Hai¹^,^*()

¹College of Agronomy and Biotechnology, China Agricultural University / Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
²Zhangjiakou Academy of Agricultural Sciences, Zhangjiakou 075000, Hebei, China
³College of Agronomy, Inner Mongolia Agricultural University, Hohhot 010019, Inner Mongolia, China

Received:2024-03-10 Accepted:2024-10-25 Published:2025-02-12 Published online:2024-11-12
Contact: *E-mail: yadong_tracy@cau.edu.cn; E-mail: zengzhaohai@cau.edu.cn
Supported by:
National Key Research and Development Program of China(2023YFD1600702);China Agriculture Research System of MOF and MARA(CARS07-B-5);China Agriculture Research System of MOF and MARA(CARS07-A-6)

摘要/Abstract

摘要： 为明确豆禾间作系统的产量及其与作物根系和土壤酶学特性的关系。于2020—2021年在河北省张北县开展了2年大田试验, 以燕麦单作、红芸豆单作为对照, 研究了燕麦和红芸豆带状间作模式的产量效应、根系特征以及土壤酶活性。结果表明, 2年试验中, 间作模式的土地当量比分别为1.07和1.08, 且燕麦的偏土地当量比为0.63和0.72。间作模式的净收益与2种单作相比差异不显著, 但产投比均大于单作模式。间作燕麦在拔节期根长、根表面积、根体积在0~10 cm和10~20 cm两个土层均低于单作, 但在灌浆期均高于单作; 间作红芸豆根系形态参数在2个土层随生育期进程均由优势逐渐变为劣势。间作对燕麦各时期土壤酶活性的影响不显著, 但显著提高了红芸豆开花期和鼓粒期0~10 cm和10~20 cm两个土层土壤C、N和ALP获取酶活性。偏最小二乘路径分析显示, 燕麦的产量主要受到根系特性影响, 而红芸豆主要受土壤酶活性影响。由此可见, 燕麦‖红芸豆模式有更高的经济效益, 可以提升系统生产力, 且燕麦和红芸豆产量变化作用路径不同。

关键词: 燕麦, 红芸豆, 带状间作, 产量, 根系特征, 土壤酶活性

Abstract:

To evaluate the yield of a bean and cereal intercropping system and its relationship with root and soil enzyme characteristics, a two-year field experiment (2021-2022) was conducted in Zhangbei county, Hebei province, China. The study examined crop yield, root characteristics, and soil enzyme activities in oat and red kidney bean strip intercropping, with oat monoculture and red kidney bean monoculture as controls. The results showed that the land equivalent ratios (LER) for oat and red kidney bean intercropping were 1.07 and 1.08, respectively, over the two years. The partial land equivalent ratios (PLER) for oat were 0.63 and 0.72. While there was no significant difference in net income between intercropping and monoculture systems, the output-to-input ratio in the intercropping system was higher than in either monoculture. At the jointing stage, oat root length, surface area, and volume in intercropping were lower than in monoculture, but these parameters were higher at the filling stage in both the 0-10 cm and 10-20 cm soil layers. For intercropped red kidney bean, the dominance of root morphological parameters shifted to inferiority as the growth stage advanced. Relay intercropping had minimal effects on oat soil enzyme activities but significantly increased the activities of C, N, and ALP acquisition enzymes in the 0-10 cm and 10-20 cm soil layers at the flowering and filling stages of red kidney bean. Partial least squares path analysis revealed that oat yield was primarily influenced by root characteristics, while red kidney bean yield was predominantly regulated by soil enzyme activities. In conclusion, oat and red kidney bean strip intercropping enhances system productivity, provides higher economic benefits, and the yield dynamics of oat and red kidney bean are driven by different underlying mechanisms.

Key words: oat, red kidney bean, strip intercropping, yield, root system, soil enzyme activity

张辰煜, 葛军勇, 褚俊聪, 王星宇, 赵宝平, 杨亚东, 臧华栋, 曾昭海. 燕麦红芸豆带状间作的产量效应及根系形态与土壤酶活性[J]. 作物学报, 2025, 51(2): 459-469.

ZHANG Chen-Yu, GE Jun-Yong, CHU Jun-Cong, WANG Xing-Yu, ZHAO Bao-Ping, YANG Ya-Dong, ZANG Hua-Dong, ZENG Zhao-Hai. Yield effect and its root and soil enzyme characteristics of oat and red kidney bean strip intercropping[J]. Acta Agronomica Sinica, 2025, 51(2): 459-469.

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年份 Year	作物 Crop	生物量 Biomass (kg hm^-2)		产量 Yield (kg hm^-2)		土地当量比 Land equivalent ratio
年份 Year	作物 Crop	单作 Monoculture	间作 Intercropping	单作 Monoculture	间作Intercropping	偏土地当量比LER_O/LER_R	间作当量比 LER
2021	燕麦Oat	11,880.0±198.7 a	7737.5±124.6 b	3570.9±168.1 a	2245.9±27.8 b	0.63±0.03	1.07±0.02
2021	红芸豆 Red kidney bean	6429.1±259.5 b	2352.0±129.5 a	1853.1±43.4 b	793.3±23.5 a	0.44±0.01	1.07±0.02
2022	燕麦Oat	9443.3±221.6 a	6876.9±129.7 b	3484.7±54.8 a	2523.2±14.2 b	0.72±0.01	1.08±0.01
2022	红芸豆 Red kidney bean	5129.2±224.5 b	1930.2±52.0 a	2121.5±23.7 b	735.0±22.7 a	0.35±0.01	1.08±0.01

年份 Year	种植模式 Cropping system	总投入 Total input (yuan hm^-2)	总收入 Total income (yuan hm^-2)	净收入 Net income (yuan hm^-2)	产投比 Output/Input
2021	燕麦单作Monoculture oat	2575.0	12,374.5±495.2 b	9799.5±495.2 a	3.81±0.19 b
	红芸豆单作Monoculture red kidney bean	3925.0	14,824.7±347.2 a	10,899.7±347.2 a	3.78±0.09 b
	间作Intercropping	3250.0	14,182.6±206.8 a	10,932.6±206.8 a	4.36±0.06 a
2022	燕麦单作Monoculture oat	2575.0	11,645.7±190.1 c	9070.7±190.1 c	3.52±0.07 b
	红芸豆单作Monoculture red kidney bean	3925.0	16,971.7±190.0 a	13,046.7±190.0 a	4.32±0.05 a
	间作Intercropping	3250.0	14,319.7±226.0 b	11,069.7±226.0 b	4.41±0.07 a

燕麦红芸豆带状间作的产量效应及根系形态与土壤酶活性

Yield effect and its root and soil enzyme characteristics of oat and red kidney bean strip intercropping

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