[1] FAN Yanli, LIU Junjie, LIU Zhuxiu, et al. Chitin amendments eliminate the negative impacts of continuous cropping obstacles on soil properties and microbial assemblage [J/OL]. Frontiers in Plant Science, 2022, 13: 1067618[2022-06-10]. doi: 10.3389/fpls.2022.1067618.
[2] WANG Feiyang, ZHANG Xuemin, WEI Meitang, et al. Appropriate crop rotation alleviates continuous cropping barriers by changing rhizosphere microorganisms in Panax notoginseng [J/OL]. Rhizosphere, 2022, 23: 100568[2022-06-10]. doi: 10.1016/j.rhisph.2022.100568.
[3] QIN Shuhao, STEPHEN Yeboah, LI Cao, et al. Breaking continuous potato cropping with legumes improves soil microbial communities, enzyme activities and tuber yield [J/OL]. PLoS One, 2017, 12(5): e175934[2022-06-10]. doi: 10.1371/journal.pone.0175934.
[4] 张冬明, 郑道君, 曾建华, 等. 西瓜连作对土壤主要微生物数量、酶活性及果实品质的影响[J]. 北方园艺, 2017(4): 155 − 158.

ZHANG Dongming, ZHENG Daojun, ZENG Jianhua, et al. Effects of continuous cropping on microorganism and enzymes in the soil and the quality of watermelon fruit [J]. Northern Horticulture, 2017(4): 155 − 158.
[5]

TAN Ge, LIU Yongjun, PENG Shuguang, et al. Soil potentials to resist continuous cropping obstacle: three field cases [J/OL]. Environmental Research, 2021, 200: 111319[2022-06-10]. doi: 10.1016/j.envres.2021.111319.
[6] 李天来, 杨丽娟. 作物连作障碍的克服——难解的问题[J]. 中国农业科学, 2016, 49(5): 916 − 918.

LI Tianlai, YANG Lijuan. Overcoming continuous cropping obstacles: the difficult problem [J]. Scientia Agricultura Sinica, 2016, 49(5): 916 − 918.
[7] 赵利坤, 张英. 作物连作障碍的影响因素及防治对策[J]. 黑龙江农业科学, 2013(12): 18 − 20.

ZHAO Likun, ZHANG Ying. Influencing factors and countermeasures of continuous cropping obstacles [J]. Heilongjiang Agricultural Sciences, 2013(12): 18 − 20.
[8] 杜家方. 地黄连作障碍发生的生物机制及其消减措施研究[D]. 武汉: 华中农业大学, 2020.

DU Jiafang. Study on the Biological Mechanism of Continuous Cropping Obstacles in Rehmannia glutinosa and Its Reduction Measures [D]. Wuhan: Huazhong Agricultural University, 2020.
[9] 夏梅梅, 钟宛凌, 欧阳里山, 等. 1989—2018年国内作物连作障碍研究现状——基于CNKI的文献计量学分析和科学知识图谱研究[J]. 农学学报, 2021, 11(3): 46 − 54.

XIA Meimei, ZHONG Wanling, OUYANG Lishan, et al. Research status of continuous cropping obstacles in China from 1989 to 2018: based on bibliometric analysis and knowledge mapping of CNKI [J]. Journal of Agriculture, 2021, 11(3): 46 − 54.
[10]

ZHU Lizhen, HE Jun, TIAN Ying, et al. Intercropping wolfberry with Gramineae plants improves productivity and soil quality [J/OL]. Science Direct, 2022, 292(7): 110632[2022-06-10]. doi: 10.1016/J.SCIENTA.2021.110632.
[11] 王静, 王磊, 李永青, 等. 3种桉树叶提取物除草活性研究[J]. 中国农学通报, 2013, 29(6): 191 − 194.

WANG Jing, WANG Lei, LI Yongqing, et al. Study on herbicidal activity of three eucalyptus leaf extracts [J]. Chinese Agricultural Science Bulletin, 2013, 29(6): 191 − 194.
[12] 赵军, 耿增超, 尚杰, 等. 生物炭及炭基硝酸铵对土壤微生物量碳、氮及酶活性的影响[J]. 生态学报, 2016, 36(8): 2355 − 2362.

ZHAO Jun, GENG Zengchao, SHANG Jie, et al. Effects of biochar and biochar-based ammonium nitrate fertilizers on soil microbial biomass carbon and nitrogen and enzyme activities [J]. Acta Ecologica Sinica, 2016, 36(8): 2355 − 2362.
[13] 丁维婷, 武雪萍, 张继宗, 等. 长期有机无机配施对暗棕壤土壤酶活性及春麦产量品质的影响[J]. 中国土壤与肥料, 2020(6): 1 − 8.

DING Weiting, WU Xueping, ZHANG Jizong, et al. Effects of long-term organic-inorganic combined application on enzyme activity of dark brown soil and yield, quality of spring wheat [J]. Soil and Fertilizer Sciences in China, 2020(6): 1 − 8.
[14] 鲁莽. 植物根系及其分泌物对微生物生长及活性的影响[J]. 化学与生物工程, 2012, 29(3): 18 − 21.

LU Mang. Effects of plant roots and root exudates on growth and activity of microorganism [J]. Chemistry &Bioengineering, 2012, 29(3): 18 − 21.
[15] 陈玲, 董坤, 杨智仙, 等. 连作障碍中化感自毒效应及间作缓解机理[J]. 中国农学通报, 2017, 33(8): 91 − 98.

CHEN Ling, DONG Kun, YANG Zhixian, et al. Allelopathy autotoxcity effect of successive cropping obstacle its alleviate mechanism by intercropping [J]. Chinese Agricultural Science Bulletin, 2017, 33(8): 91 − 98.
[16]

SAIYA-CORK K R, SINSABAUGH R I, ZAK D R. The effects of long term nitrogen deposition on extracellular enzyme activity in an Acer saccharum forest soil [J]. Soil Biology &Biochemistry, 2002, 34(9): 1309 − 1315.
[17] 徐仁扣, 李九玉, 周世伟, 等. 我国农田土壤酸化调控的科学问题与技术措施[J]. 中国科学院院刊, 2018, 33(2): 160 − 167.

XU Renkou, LI Jiuyu, ZHOU Shiwei, et al. Scientific issues and controlling strategies of soil acidification of croplands in China [J]. Bulletin of Chinese Academy of Sciences, 2018, 33(2): 160 − 167.
[18] 李忠, 江立庚, 唐荣华, 等. 连作对花生土壤酶活性、养分含量和植株产量的影响[J]. 土壤, 2018, 50(3): 491 − 497.

LI Zhong, JIANG Ligeng, TANG Ronghua, et al. Effects of long-term continuous peanut cropping on dry matter weight of different peanut varieties, soil nutrient contents and enzyme activities [J]. Soils, 2018, 50(3): 491 − 497.
[19]

KEVIN Z, MGANG A, BAHAR S, et al. Microbial and enzymes response to nutrient additions in soils of Mt. Kilimanjaro region depending on land use [J]. European Journal of Soil Biology, 2015, 69: 33 − 40.
[20]

QIN Yaoguo, YANG Cuiqin, XIA Jialong, et al. Effects of dual/threefold rootstock grafting on the plant growth, yield and quality of watermelon [J]. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2014, 42(2): 495 − 500.
[21]

MIAO Li, QIN Xing, GAO Lihong, et al. Selection of reference genes for quantitative real-time PCR analysis in cucumber (Cucumis sativus L.), pumpkin ( Cucurbita moschata Duch.) and cucumber-pumpkin grafted plants [J/OL]. PeerJ, 2019, 7: e6536[2022-06-10]. doi: 10.7717/peerj.6536.
[22] 张芊, 乜兰春, 赵文圣, 等. 甜瓜耐冷砧木筛选及嫁接苗耐冷性评价[J]. 中国蔬菜, 2022(7): 85 − 91.

ZHANG Qian, NIE Lanchun, ZHAO Wensheng, et al. Screening of melon cold resistant rootstocks and evaluation on cold tolerance of grafted seedlings [J]. China Vegetables, 2022(7): 85 − 91.
[23] 符厚隆, 廖道龙, 刘子凡, 等. 南瓜作砧木嫁接冬瓜根系分泌物对土壤微生态的影响[J]. 中国瓜菜, 2022, 35(6): 56 − 61.

FU Houlong, LIAO Daolong, LIU Zifan, et al. Root exudates affect soil microecology of grafted wax gourd with pumpkin as rootstock [J]. China Cucurbits and Vegetables, 2022, 35(6): 56 − 61.
[24]

TAMILSELVI N A, PUGALENDHI L. Role of cucurbitaceous rootstocks on vegetative growth, fruit yield and quality of bitter gourd (Momordica charantia L. ) scions through grafting [J]. Journal of Animal and Plant Sciences, 2018, 28(3): 811 − 818.
[25] 李勋, 崔宁洁. 大渡河干旱河谷地区2个饲用甜高粱品种农艺性状的研究[J]. 农业与技术, 2022, 42(13): 18 − 21.

LI Xun, CUI Ningjie. Agronomic characters of two forage sweet sorghum varieties in arid valley area of Dadu River [J]. Agriculture and Technology, 2022, 42(13): 18 − 21.
[26] 王伟伟, 齐冰洁, 赵攀衡, 等. 低磷胁迫下不同磷效率燕麦品种酸性磷酸酶活性差异[J]. 北方农业学报, 2017, 45(5): 55 − 58.

WANG Weiwei, QI Bingjie, ZHAO Panheng, et al. The acid phosphatase activities of different phosphorus efficiency of oat varieties under low phosphorus stress [J]. Journal of Northern Agriculture, 2017, 45(5): 55 − 58.
[27] 张丽梅, 郭再华, 张琳, 等. 缺磷对不同耐低磷玉米基因型酸性磷酸酶活性的影响[J]. 植物营养与肥料学报, 2015, 21(4): 898 − 910.

ZHANG Limei, GUO Zaihua, ZHANG Lin, et al. Effects of phosphate deficiency on acid phosphatase activities of different maize genotypes tolerant to low-P stress [J]. Journal of Plant Nutrition and Fertilizers, 2015, 21(4): 898 − 910.
[28]

WU Aijiao, FANG Yan, LIU Shuo, et al. Root morphology and rhizosheath acid phosphatase activity in legume and graminoid species respond differently to low phosphorus supply [J/OL]. Rhizosphere, 2021, 19: 100391[2022-06-10]. doi: 10.1016/j.rhisph.2021.100391.
[29] 洪彪, 李明, 黄结雯, 等. 连作对广藿香扦插苗土壤微生物及酶活性的影响[J]. 江西农业大学学报, 2020, 42(3): 438 − 447.

HONG Biao, LI Ming, HUANG Wenjie, et al. Effects of continuous cropping on microorganism and enzyme activities in the restubble soil of patchouli [J]. Acta Agriculturae Universitatis Jiangxiensis, 2020, 42(3): 438 − 447.
[30] 张丽琼, 郝明德, 臧逸飞, 等. 苜蓿和小麦长期连作对土壤酶活性及养分的影响[J]. 应用生态学报, 2014, 25(11): 3191 − 3196.

ZHANG Liqiong, HAO Mingde, ZANG Yifei, et al. Effects of continuous cropping of wheat and alfalfa on soil enzyme activities and nutrients [J]. Chinese Journal of Applied Ecology, 2014, 25(11): 3191 − 3196.
[31]

WANG Yan, ZHANG Yu, LI Zhenzhou, et al. Effect of continuous cropping on the rhizosphere soil and growth of common buckwheat [J]. Plant Production Science, 2020, 23(1): 81 − 90.
[32]

KANG Yalong, JING Feng, SUN Wenqing, et al. Soil microbial communities changed with a continuously monocropped processing tomato system [J]. Acta Agriculturae Scandinavica,Section B:Soil &Plant Science, 2017, 68(2): 149 − 160.
[33] 王雨晴, 陈香碧, 董明哲, 等. 红壤丘陵区旱地和水旱轮作地土壤中纤维素降解功能微生物群落特征[J]. 农业环境科学学报, 2017, 36(10): 2071 − 2079.

WANG Yuqing, CHEN Xiangbi, DONG Mingzhe, et al. Characteristics of cellulose-degrading microbial communities in upland and paddy-upland rotation land soils in red soil hilly region [J]. Journal of Agro-Environment Science, 2017, 36(10): 2071 − 2079.
[34] 赖先军. 玉米、高粱和谷子基因表达和调控元件以及人工选择的比较研究[D]. 成都: 四川农业大学, 2018.

LAI Xianjun. Comparative Study of Gene Expression, Gene Regulatory Elements, and Artificial Selection in Poaceae Crops: Maize, Sorghum, and Setaria [D]. Chengdu: Sichuan Agricultural University, 2018.
[35] 尹晓童, 杨浩, 于瑞鹏, 等. 根系分泌物在作物多样性体系中对种间地下部互作的介导作用[J]. 中国生态农业学报, 2022, 30(8): 1215 − 1227.

YIN Xiaotong, YANG Hao, YU Ruipeng, et al. Interspecific below-ground interactions driven by root exudates in agroecosystems with diverse crops [J]. Chinese Journal of Eco-Agriculture, 2022, 30(8): 1215 − 1227.