甘蔗间作花生对根际土壤微生物种群及酶活性的影响
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摘要
通过田间试验,设置甘蔗单作、花生单作和甘蔗/花生间作3种种植处理,探讨甘蔗/花生间作种植下根际土壤微生物群落、土壤酶活性的变化及其内在联系。结果表明,与单作相比,甘蔗/花生间作增加了根际土壤细菌、真菌及放线菌数量,改变了土壤微生物群落的结构组成;提高了根际土壤脲酶、酸性磷酸酶与过氧化氢酶活性。相关分析结果显示,土壤微生物数量与酶活性之间存在显著或极显著的正相关性。说明甘蔗/花生间作具有明显的促进效应,能有效调节根际微生物群落结构组成以及土壤酶活性。
引文
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[2]Egesa A O,Njagi S N,Muui C W. Effect of facilitative interaction of sorghum-cowpea intercrop on sorghum growth rate and yields[J]. Journal of Environment and Agricultural Science,2016,9:50-58.
[3]He Y,Ding N,Shi J C,et al. Profiling of microbial PLFAs:implications for interspecific interactions due to intercropping which increase phosphorus uptake in phosphorus limited acidic soils[J]. Soil Biology and Biochemistry,2013,57:625-634.
[4]Crème A,Rumpel C,Gastal F,et al. Effects of grasses and a legume grown in monoculture or mixture on soil organic matter and phosphorus forms[J]. Plant and Soil,2016,402(1/2):117-128.
[5]Kihara J,Martius C,Bationo A,et al. Soil aggregation and total diversity of bacteria and fungi in various tillage systems of sub-humid and semi-arid Kenya[J]. Applied Soil Ecology,2012,58:12-20.
[6]Lopes T C M,Hatt S,Xu Q X,et al. Wheat (Triticum aestivum L.)-based intercropping systems for biological pest control[J]. Pest Management Science,2016,72(12):2193-2202.
[7]Brooker R W,Karley A J,Newton A C,et al. Facilitation and sustainable agriculture:a mechanistic approach to reconciling crop production and conservation[J]. Functional Ecology,2016,30(1):98-107.
[8]覃潇敏,郑毅,汤利,等. 玉米与马铃薯间作对根际微生物群落结构和多样性的影响[J]. 作物学报,2015,41(6):919-928.
[9]Wahbi S,Prin Y,Thioulouse J,et al. Impact of wheat/faba bean mixed cropping or rotation systems on soil microbial functionalities[J]. Frontiers in Plant Science,2016,7:1364.
[10]唐秀梅,钟瑞春,蒋菁,等. 木薯/花生间作对根际土壤微生态的影响[J]. 基因组学与应用生物学,2015,34(1):117-124.
[11]李伶俐,黄耿华,李彦鹏,等. 棉花与不同作物同穴互作育苗对土壤微生物、酶活性和根系分泌物的影响[J]. 植物营养与肥料学报,2012,18(6):1475-1482.
[12]李杨瑞. 现代甘蔗学[M]. 北京:中国农业出版社,2010:18-20.
[13]李杨瑞,杨丽涛,谭宏伟,等. 广西甘蔗栽培技术的发展进步[J]. 南方农业学报,2014,45(10):1770-1775.
[14]贾志红,杨珍平,张永清,等. 麦田土壤微生物三大种群数量的研究[J]. 麦类作物学报,2004,24(3):53-56.
[15]李振高,骆永明,滕应. 土壤与环境微生物研究法[M]. 北京:科学出版社,2008:92-93.
[16]姚槐应,黄昌勇. 土壤微生物生态学及其实验技术[M]. 北京:科学出版社,2006:135-137.
[17]宋亚娜,Marschner P,张福锁,等. 小麦/蚕豆、玉米/蚕豆和小麦/玉米间作对根际细菌群落结构的影响[J]. 生态学报,2006,26(7):2268-2274.
[18]张向前,黄国勤,卞新民,等. 施氮肥与隔根对间作大豆农艺性状和根际微生物数量及酶活性的影响[J]. 土壤学报,2012,49(4):731-739.
[19]胡举伟,朱文旭,张会慧,等. 桑树/大豆间作对植物生长及根际土壤微生物数量和酶活性的影响[J]. 应用生态学报,2013,24(5):1423-1427.
[20]姜莉,陈源泉,隋鹏,等. 不同间作形式对玉米根际土壤酶活性的影响[J]. 中国农学通报,2010,26(9):326-330.
[21]耿广东,王忠平,冯道友,等. 玉米与姜间作对土壤微生物和酶活性的影响[J]. 土壤通报,2009,40(5):1104-1106.
[22]姜丹丹,周连仁,依洪涛,等. 大豆·玉米不同种植方式对土壤酶活性·土壤无机氮含量的影响[J]. 安徽农业科学,2012,40(12):7115-7118.